. >> it has been a while wind to say the least toward recovery for t.j. walsh.to enter rehabilitation and put ease in the hearts of the loving family who has never given up on him. jubilation was short lived as he successfully completed seven days of detox but after being transferred to 3-day, we walked out after six days. his addiction had other why ideas. as much awanted to be there. i knew from the moment i got there. it was not going to work. >> now walsh, t.j.'s sister has been with me for the entire journey. her jurn think has been much longer. she loves her big brother wants him back. >> i am not going to going to away. christy and i actually went out to find him once again. he when that same spot. he agreed to sit down and have a conversation. >> from the second i agreeed to go through the treatment process. was no longer my decision. >> christy is so strong, she is here onset to open up about everything she has seen with her big brothser and the heartache her families going through, you know, t.j. has gone from the face of addicts to the face of recover

. >> i would like to introduce to you t.j. walsh when we brought t.j. to you. he was homeless, heroin addicted and begging for money to feed the addiction. 3:00 if when did you see it. >> a change. a change. 3:00 right after he graduated col hemming, actually. exponentially. >> and when he was resting in june of 2015. the officers let him know. >> wow. >> wow. i was sure. >> people getting on the ben frang lynn bridge and going to scour the area. the ben franklin bridge. >> used to sleep here. >> hes now sweeping over where the tow trucks are. if. >> how are you? >> i heard you. >> yes. >> when was the last time? >> a long time. >> really long time. >> no. definitely not. ♪ ♪ ♪ ♪ ♪ >> a big part of your life and, you know, may not have worked out the way everyone might have thought. >> not at all. >> and i worked for company, a mational company, it is really amazing. what we are look do is of fear scholarship to come to the problem for full 30 days free of charge then we want to set you up with housing after this and continue treatment and then obviously, we'll

t.j. and callahan walsh for the national center for missing & exploited children and, t.j., i want to starts -- would just drive us insane but if you lose a child their natural instinct is to come find you but experts say that's not what you should do. >> not always the best case. you want them to stay put. what you didn't see, some of those kids are independent. i mean, i've met your girls. you met my daughters. they want to figure it out on their own. i don't know that guy or that guy. you know what i'll do, i'll head outside and some of these kids wanted to go outside and wander around and try to find their parents. that's when the stranger danger could be an issue if you're so turned off by the idea you look for another option and some of those options. >> let's go back to the term of trusted adult. you know, a lot of these kids were confused about who to trust. >> absolutely so pardons should teach them to look for identifiable markers hike a security guard with a badge or a name tag on a clerk or even a mother with kids. >> all right, and when should you talk to your kids? when should