Secluded. This was his playground. This was the place that we have been searching for. It was the still of the night when the killings started. Ive been shot, me my mother had been shot. You can feel and hear the feeling in her voice. A single mother, and her teenage daughter, ambushed in their bedrooms. Here is a monster into your house. I just broke down. I could not imagine who would want to do this. Then, it happened again to another mother, another daughter. Somebody is killing mothers and daughters. That is about as scary as it gets. Scary as it gets. Who was out there . And who would be next . Something you would never imagined what happened. The clues that lie here, and abandoned manchin. Erie, hunted, where was this killer . Cold, calculating eyes. Lifeless. He was almost a ghost. Could they catch him . Could they stop him . Im on the edge of my seat. He truly thought that he could outsmart us. Hello and welcome to dateline. Would you recognize danger if it was lurking nearby. This story that you are about to hear is a tale of true terror. A killer was stalking residents in a neighborhood. Leaving residents panic that they would be next. Police determined to catch him, unaware that he was hiding in plain sight. Soon a stolen pair of ks would help investigators unlock the story and unmask a murder. Here is Dennis Murphy with the unusual suspect. Consider for a moment, that cozy where, it home, and all it evokes. Warmth, family, shelter, security. Got it . And now reflect on what happens when those four walls are breached. When nightmares crossed through the window and kicks through the doors. When a haven becomes a house of horrors. So how does that feel . Just ask lloyd irvin. Laying on the couch. I wake up, two gunmen over top of me, holding guns, saying, hold on, here being robbed, dont move. Years have passed since the night in august, 2008. In the nations capital, in the nice neighborhood in princess Georges County, maryland. But lloyd and nikki irving and their son just for at the time, are still haunted by the image of the gunman. Two masked intruders. Talk about worst nightmares. This is it . Yes, something you would never imagine would happen. What the roberts did not count on is that lloyd is a nationally renowned martial arts expert. And when one of the gunman walked away to scope out the rest a house, lloyd was suddenly oneonone with his accomplice. Gunman is right in the corner . In the corner. No one to backup at all. I go, i got that, i try to get the cartridge out. Once i get the cartridge out. It drops. I hit the ground. Where is the intruder going . Ran out the room. He said. He has that, get out of here, he has the gun. By the time that lloyd managed to reload the wrestled away gun and give chase. Both Home Invaders had escaped. Im calling 911, and my son is on top of, me and he is shaking, not saying a word. Not crying. Just shaking. And i often think, you, know where theyre gonna kill us that night . The irving family would not be the first, or the last to ask that awful question. Id like to report an armed robbery. 911. Broke into my house. In the months that followed, the area was hit with a wave of Home Invasions, each, time two masked men, meticulous about not leaving fingerprints or evidence behind. The Prince Georges County police were baffled and the community was understandably on edge and then on january 26th 2009, on a quiet street in upper marboral, the county, anxiety turned on to full on both the doors panic. This is Prince Georges County, 911, center,. Maam ive been shot. Im bleeding to death. Where are you . [crying] a desperate cry for help from a dying girl. On the phone . 16 year old student, clarissa. Police rushed to the scene, but it was too late. They found clarissa, and her mom, karen, in their bedrooms. Each killed Execution Style with a shot straight to the head. Crimes quickly become statistics, but this just stands out, doesnt it . It stands out, it makes the hair on the back of her neck. Federal Prince Georges CountyHomicide DetectivesBernie Nelson was in charge of the case. The First Arriving officers told him, they found the main door locks shut from the inside. The killer, they thought, had likely entered the house through an unlocked side window. This bedroom on the second floor that is facing us. That is where caruso is found. Detective nelson wondered, did the murders have anything to do with the plague of recent Home Invasion robberys . If so then why was nothing stolen from the house. The vehicle was still in the driveway and nothing appeared disturbed. Investigators did not find any useful evidence. Just six spent Bullet Casings that it killed teresa and karen. Fired from a handgun. We did find out two doors just down the street, someone had seen a blue vehicle parked on the right side of the road. And right now, at this point, that is all that i have. So Detective Nelson set out to find out more about his victims. Lofton turned out to be a devoted mother and nurse with no enemies. She was divorced from courses father, who now lived in atlanta. The daughter, chris, that was in private school, good grades, and still very attached to her father. Clarissa was a special girl from a because at a young age she had open Heart Surgery and she bounced right back for it. Kirkland said that he had watched Clarissa Launch into a gregarious teenager, of fashionista, and a knack for selfies. By kyle, its called butterfly kisses. Told the story of her and the daughter. I used to sing that song to her, and she looked up to, me and she loved me singing that song to her. She was my butterfly, thats what i called her. Now, Kirkland Butterfly was dead and prefer Detective Nelson recorded some of pg countys finest help him solve the case. Including, then detective, anthony. This is a, mother hardworking, and her daughter, both think that theyre safely inside their home. And here comes the guy out of your worst streams . Here comes a monster, into your house. And he has a glock. As the hunt for this brutal killer went into full gear, detectives started as they always do with the usual suspects. No rhyme or reason that you could come up with, you have to look at Family Members. And one Family Member in particular. Courses 20 year old brother. He lived in the house to but he was not there when cops arrived. Police stopped him near the crime scene several hours after the murders. Craigs son, a brother, have done such a monstrous thing . The investigation begins with some tough questions for him. Coming up would you have hurt your mom and sister . No. One of the detectives played me and said everyone in that room thinks it was you. Was . That what happened next would launch the whole new wave of fear. When dateline continues s suffering from pain caused by migraine nurtec odt may help. Its the only medication that can treat a migraine when it strikes and prevent migraine attacks. Treat and prevent, all in one. Dont take if allergic to nurtec. Allergic reactions can occur, even days after using. Most common side effects were nausea, indigestion, and stomach pain. Were in this together. Talk to a doctor about nurtec odt. New emergenc crystals pop and fizz when you throw them back. And who doesnt love a good throwback . [sfx video game] emergenc crystals. Just between us, you know whats better than mopping . Anything ugh. Well, i switched to swiffer wetjet, and its awesome. Its an allinone, that absorbs dirt and grime deep inside. And it helps prevent streaks and haze. Wetjet is so worth it. Love it, or your money back. 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He was a father to a teenager around Karissa Lofton age. Maam i have been shot. Me and my mother had been shot. I am bleeding to death. That poor little girl. In her bedroom, she has the gumption to get on the phone and call you. It hurts to listen to the 911 call because you can feel and hear the fear in her voice. Even though nothing was taken, it seems clear that the color broke into the house. In, fact the Burglar Alarm had gone off but it was disabled in under a minute. And that put karens son, keyon lofton, at the top of the polices Person Of Interest list. He lived in the house, he knew the code. Police brought him in for question. Does your mom set the alarm for the house . Yes. All the time . Every day every time. One of the detectives plainly said everyone in the room thinks it was, you you are the only one who had access to the pin code. Would you ever hurt your mom and sister . No. You would never hurt them . No. I said it wasnt me, you can do anything you want to do, its not gonna be me. He told investigators he had been spending the night at his fiancees house. When her mom woke, him and said that she heard on the news that two women on the street had been murdered. I ran out the house. My heart is racing. I hopped in my car. I am running lights, im speeding, still calling at the same time. When i got there theyll ask me for my name. And i said i am , Police Officer looked in and said weve got the sun here. And i just broke down. His alibi checked out. It was not him. Investigators also interviewed kirkland, the ex husband, and Karissa Lofton father. He too had an alibi he had been at atlanta at the time of the murders. Next time on the list was karens former boyfriend, michael, he refused to take a lie detector test. So police interviewed him seven different times. [inaudible] you couldnt walk over and walk in . He some of that we ruled out completely, and we did. You would think in your way of work, the usual suspects were not going to figure in this one. Not really. The detectives realized they had on their hands what homicide cops hate. A true mystery. First 48 hours of the case you usually get a break here. Something that says chase this. Normally you would get something. Within the first 48 hours. So this thing was as baffling as it was cruel. Exactly. It did not make any sense. Then, came march 16th, 2009. Six week after the lofton killings. Went to unsolved murders became for. It began with the reports of a stolen Nissan Maxima. Just a couple of blocks from where the lofton had been killed. What is the nature of your emergency . I just left my house maybe an hour ago. My car is missing out of the car ports. Detective schartner was uncalled at night. She is on the phone with a car taker. She notices that her car comes zooming by from up here on the street, and comes by her at a fast rate of speed. That is my car. Okay, it just zoomed past me. Wow. She sees it while shes on the phone with dispatch . Here it comes, there it goes. Absolutely. Police warned the neighborhood, hoping to nab the car thief. He was nowhere to be found. But police soon discovered the stolen car. Captured here on the cruisers dash camera. It was parked in the driveway of a vacant house. Engulfed in flames. Firefighters called to the scene to extinguish the fire made a grisly discovery. Two bodies burned beyond recognition. And the victims . Another mother and her teenage daughter. Dental records confirmed the identities of the two female bodies found monday in the trunk of the stolen car. 42yearold Dolores Dewitt and her daughter, 19yearold ebony dewitt. She worked at a nursing home. And she loved taking care of the elderly population. She loved those people, and they loved her. But trisha smith remembers her sister delores as a mother and nurse who worked hard to provide a good life for her two daughters. But always saved a little time for herself. She liked to go places, every year she would treat herself on vacation. She felt like she worked, hard she should play hard. And ebony . She was the live one at family get togethers. We would just make the party live, and, just act crazy until the end of the day. I mean, she loved life. The last person known to have seen ebony alive with her boyfriend. He told detectives that the previous night they had had a late dinner, she was wearing her favorite blue sweater and then he drove her home, watched her go inside her house. The killer may have been waiting. And now, when police once again made no arrests within 48 hours of the murders. Waiting too was a devastating attrition. I started going back to my sisters house late at night, i would go and sit in the yard. Just hoping that he would come back. I was sitting there with a knife in my hand. And, i was holding it real tight. Just in case he came up on me or something because they would be him or me. Either him or me. I told the detectives what i did. She could not sit still and do nothing. She wanted to be involved in the investigation from day one. She would actually go door to door in the neighborhood and talk to neighbors. Try to ask them questions. But i had to repeatedly explain to her that we cant have her interrupting my case. Shes a thorn in your side . She is, but i understood. Because if my sister were killed, it would be hard for me to sit still to. So Detective Shartner made patricia a promise. We were sitting in the car and i remembered just crying and crying, and crying. And then he promised me. He said i will get them. If it is the last thing i do. I want to get them. To do that, Detective Shartner and nelson had to confront a terrifying question. Youve got two murdered mother daughters within crossed the fence, virtually. So youre thinking are these things related . You have to think that. And if they are related, you have a serial murderer on your hands. And you dont know when hes gonna hit next, or who hes going to hit next. Coming up and neighborhood on edge. Police, under pressure. And the question everyone feared. Would there be another victim . It was wide open. We had nothing. And thats when it gets scary. When dateline continues nues i go to spin classes with my coworkers. Good for you, shingles doesnt care. Because no matter how healthy you feel, your risk of shingles sharply increases after age 50. But shingrix protects. Proven over 90 effective, shingrix is a vaccine used to prevent shingles in adults 50 years and older. Shingrix does not protect everyone and is not for those with severe allergic reactions to its ingredients or to a previous dose. An increased risk of guillainbarre syndrome was observed after getting shingrix. Fainting can also happen. 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When you back up what you got, the scary fact is someone is killing mothers and daughters. That is the commonality. Yes, and the close proximity of which they found burning the vehicle. Two blocks away from where officers were shot near the house. The detective suspected they were dealing with the same murderer in both cases, especially when they realized Dolores Dewitt was a single mom, and nurse, just like karen lofton. But first they exhausted the usual suspects. Dolores had an ex husband, an ex girlfriend, but both had solid analyze. They gave them a polygraph tests. They passed. We gave Background Checks on, that we found out where they, were and there was nothing to say they werent involved. As for the detectives that said they wanted to go to the dewitts home. They found no sign of forced entry. Just a side window. And inside the house, once, again no forensic evidence. By the different patterns. The killer had taken his victims with him. We do not know if they were killed inside the, house and transported, away or they were just transported away and kills elsewhere. The burned out the sun maxima that carried the mother and daughter bodies didnt yield any significant clues either, the fire destroyed everything but a tiny piece of jeans and doloress body and attached to the jeans or some Foliage Experts identified coming from a leach tree. Odd because they were no trees like that in the neighborhood and. The mystery only deepened when the autopsy results came back. Ebony and dolores were killed 24 hours prior to them being burned