letting a seasoned prosecutor cross examinationer do the heavy lifting. it changed so much. imagine if they led with that rather than finish with it guys, thank you so much. thank you president trump is on a campaign swing through california, a trip that could add $15 million to his re-election coiffeurs, california happens to be one of the president s favorite foils, axios says trump is at war over environment, homelessness, tax returns and virtually every topic he touches joining me, jacob soberoff he s there talking about homelessness and mental illness. is that the reality on the ground reporter: no, not at all. there is a huge population of homeless people. you and i talked to our city half of the people, 60,000 of them homeless in the city live in conditions like this and suffer from mental health or substance abuse disorder the other half, another 30,000
homeland. reporter: the federal aviation administration says counter drone technology is not ready to protect airports but in october, congress gave the departments of justice and homeland security the authority to disable drones in the air for the first time. counter drone options range from guns that deploy signal jams to one shooting out nets, enderons that chase and catch other drop mid-air, but there are limb it nations. you certainly don t want to disrupt the drone in a way that injures or creates a risk of injuries to people on the ground reporter: early detection is key here, trucks use radar, powerful drone sensors and video cameras to locate the drone s operator. when you can see everything in the air space, this type of system allows you to look for bad actors and be able to take necessary action with authorities. reporter: the next big advancement in counter drone technology will be artificial intelligence, engineers believe within the next five years, radars will be ab
they try to cope with the situation most of them don t even understand. in mllen, texas, a father s day rally will be happening shortly. what is happening on the ground reporter: the families belong together father s day rally is set to begin about an hour from now in front of the cbp processing center where families children, i did get confirmation are in there and are separated. we re expecting senator merkley along with other members of congress and powerful keynote speakers like leah who i want to introduce to you. leah is a u.s. citizen, but both her parents are undocumented from nicaragua. and leah, i know you have your parents with you. but at 12 years old, every day of your life you live with this fear that they could be taken from you, that you could get
five years, every day. reporter: caitlan, still wearing a hijab, told us the guards sexually assaulted her, and beat all of them regularly, including their eldest son, now 4, najaeshi, even as she tried to protect him. that s how i would get beaten or hit or thrown on the ground reporter: and she described how she tried to give her children as normal a life as possible. we would just teach them to use things like bottle caps, or bits of cardboard and tell them like, these are toys. my wish for them now is that they never have to face fear in their lives again. reporter: her father in pennsylvania has yet to see his daughter, still unable to understand how her husband got her into the situation. a question that joshua boyle would not answer for us. what were you thinking when you took your wife there in the first place? silence. and brian ross with us now. so, what is the answer to that question, do we have any idea, brian? reporter: well, david, they say they went to help