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go out socially if her fiancée is sick. >> jeff and theresa were engaged for a year. then, just five weeks before the wedding which had to be held back in niagara falls, jeff had abruptly called it off. >> he basically came to her one sunday morning and said, i can't do this. and theresa we stay very taken aback and completely devastated at that time. >> theresa was heartbroken, as evidenced by this entry in her diary. >> i have never felt so crushed in all of my life. my life is in uproar. i still wish that this was all a horrible dream, and one day i will wake up and everything will be okay. i have no real answers, nothing to go on, just my new white dress hanging in the closet for me to stare at and wonder. >> i think she was just so sad. and that was when she shot appeared to give some signs that i should have seen before. >> -- signs before -- the girls name on >> --
the insana family, and remain the best of friends with theresa. >> we both fell in love with it as soon as we got there. so, we immediately started on the job hunt when we got there. >> within days, theresa had a job in the electric city. not dancing on the course line, but working in sales at the -- melissa soon found work at harrods. the two girls from niagara falls got their own apartment. teresa's parents came to visit. >> did she like -- >> she loved. it >> she loved. it there was excitement. we said, wow. >> i will never forget. because theresa was so -- so theresa. and here she was, a -- in her hair, and our starbucks coffee, and she's running down the hallways at the rio. and i say, oh my god. she was so happy. >> theresa's career at the rio was often -- up and running. soon, she met a guy.
>> i will never forget her. because i'm sitting there, praying, this litany of the saints. and i turn to and murray, and i say, theresa is going to be found today. because today she became a saint too. >> and that very day, theresa's parents and her best friends received a call from las vegas metro homicide detective marty wild man. >> he called me and he said, grace, we have theresa. i know it's sad news. but we have her body. and i just did not want you to suffer anymore. >> it's just awful. the most awful thing. theresa insana's body had been found just three and a half miles from our home, narrow golf course. >> her -- wrapped her body in towels and blankets. and carried theresa down a steep, rocky embankment, and left her in a large covert, in standing water. an autopsy showed theresa
rolled market divorced market analysts four seasons entertainment properties, which included the rio. he and theresa had got engages two months after they started dating in 2002. shocking to many of her friends and family members -- >> jeff seem like a good guy to you? >> i really believed at first he was quite a nice, wonderful man. it's who she wanted. he asked for my blessing. i gave it to him. >> but those closest to the couple saw something odd in jeff. he seemed to be constantly under the weather. >> he came for a week. and every day he had an ailment. god can strike me did. >> he always complained a lot of headaches and that he was stressed. and he had suffered panic attacks a couple of times. he stayed around houma lot. >> and theresa, who had been very social, state at home and to take care of him. >> she certainly not going to
people like theresa insana. here one day, and on the next. >> she was going to make the big time. >> theresa's parents, joe and anne-marie. you guys ever worry about this girl, so far from home? >> me and my sister were very worried about her. >> -- i also knew, she's going to do good things. >> doing good things. it was a lesson theresa insana had learned well. as a second of three children in a deeply religious -- family in niagara falls, new york. and from those earliest days of childhood, theresa's best friend was always her doting father. their love was deliciously obvious, spelled out in whipped cream and icing on the extravagant birthday cakes he made for her nearly every year of her life. >> he used to loved it. she was a person -- >> you were her friend. >> i was her friend.
insana was attacked between 6:30 pm and 7:30 p m tuesday evening. it was now thursday. her attacker had a nearly 48-hour head start. as word spread, theresa's best friends could not believe what they were hearing. >> i think, at that moment, i just knew something horrible happened. >> friends talked with police, hoping to provide clues in theresa's disappearance. investigators started reading theresa's diary, which was found in the house. and grace carducci remembered something theresa had told her when grace was visiting six months prior. >> one morning we got up and we were drinking coffee. and she's like, i can't put my finger on it. but sometimes, grace, i will go to work, and i will come home, and my dvd player will be on. or there will be a different station on the television then from what i left it on. >> is she saying anything was taken? >> nothing was taken. and she said, i just have this feeling that somebody was in my
>> but i was the disciplinarian. not that she was bad. >> so, she was the disciplinarian. and you were, what? her coconspirator? >> no. >> i was her unable or. put it that way. [laughter] >> the neighbor fed teresa's love of beauty and fashion, even daddy's little girl, everything that she could want and that he could afford, and more. >> she loved shopping. and i think probably spent a lot of money buying clothes. >> theresa's friends from childhood -- jennifer and grace carducci. -- had the nicest close clothes. -- theresa but many of those close yourself, working several jobs as a teen. . and beauty and fashion were both small facets of a much larger and meaningful life. >> she was friendly, loving, kind, incredibly smart. >> an a student, she studied psychology in college. but she was also an excellent
who stands to benefit? who >> doesn't like? or >> who doesn't like her -- >> coming up -- police have a date with the ex, theresa's former fiancée. >> -- >> when "dateline" continues -- eline" continues - ahhh! icy hot pro starts working instantly. with two max-strength pain relievers, so you can rise from pain like a pro. icy hot pro. with a majority of my patience with sensitivity,
his name was jeff. -- they bought a dog. they moved into this house together and got engaged. within, he broke it off, just before the wedding. >> theresa was crushed but had moved on, reuniting with her best friends in the summer of 2004, standing up for her friend grace at her wedding. >> we just really we're so happy to be all together. it was a good day >> but a couple of months after, by the fall of 2004, vegas seemed to have lost some of its luster. theresa we're thinking hard about moving back home to niagara falls, and maybe going to grad school. then, the rio offered theresa a bigger job with better pay. >> it absolutely changed the course of her life. i was really, really upset. because i wanted her to come back home. and i thought it was going to be the best thing for her. >> and going home might have been. staying in vegas, clearly, it was not.
tell her friends something that made investigators pay close attention. >> she had come to my office that day. and we were chatting. and she had mentioned that she had exchanged some words with jeff. like, i confronted him, and i said this to him. and that was really it. >> what was the argument about? >> honestly, i don't really recall. i just sort of tried to be the supporting friend and say, don't worry about him. just ignore him. just move on with your day. >> did you have something to do with this? >> -- >> when he was questioned by police, jeff said that tiff never actually happened. >> you had to fight on monday? >> -- >> no verbal argument where another coworker says -- on monday? >> no. >> no argument monday? >> there was another reason detectives were suspicious. theresa's body had been found