fifteen minutes could save you fifteen percent or more. >>> like many other urban jails, tulsa county invests in training its staff to handle a variety of personalities, problems, and emergencies. >> let's go, let's go. >> let's go. >> let's go. >> the jail opened in 1999. but before that, officials had recognized the importance of design and management of the facility. >> stand right outside your doors, gentlemen. >> everything in this facility was meant to affect the mental state. there are no -- there's no barbed wire. there's no gun tower. there's no viewpoint from outside that you can tell this is a jail. on the general population housing units, there's wooden doors. a lot of people, why wooden doors? if you've never been inside of a cell and heard the metal on metal shut of a door, you don't understand. it's a mental thing. we have carpet on the floor. in the day room. we have tables that are movable. we have chairs that they can pick up and move and sweep under and take them to the room and put them at their desks. they have porcelain toilets, porcelain sinks. and we did that f

about it. >> soon to be on a van headed to the nearby creek county jail to face an additional charge of strong-arm robbery, lopez has left her tulsa into the clothes she was arrested in. the transfer policy requires her to leave much of her other possessions behind. >> that's it. >> she's only allowed to take what will fit into a small yellow pouch. >> can i see the bags? that way i'll know if this will fit. i'm a tight squeezer, so i know i can squeeze some of this stuff in where you would just throw it in and it wouldn't fit. >> no, you don't know me, so you don't know how i pack stuff. >> you're a man. men usually don't pack very well. >> well, i've done plenty of road trips, so i know how to pack. >> as lopez struggles with packing her pouch -- >> will this fit? last thing. >> -- her fiance and co-defendant, matthew west, has just dedicated a work of in-cell graffiti to her. >> always and forever. it's something between me and adriana. that's a sacred heart, it's a symbol of passion. jesus is always holding a sacred heart. i have it tattooed in the middle of my chest. i mean, it was bound to happen. it's a part of life. it's l

tell ariel that we love her and that everything's going to be okay. >> officials at the tulsa county jailumber of men and women in jail or prison continues to increase, so too does the number of parents who have left children behind. >> all right, i love you. >> it's estimated that there are more than 1.7 million american children with at least one parent behind bars. nearly twice as much as ten years earlier. the jail offers several educational and religious programs along with one designed to help parents reconnect with their kids. >> she's feeling poorly and i'm taking her a surprise. >> it's called story time. >> mama said not to speak to any strangers. >> we bring the inmates down to the library and they're able to pick out a children's book and they read it, it's recorded, and then the tape and the book is sent out to the child. despite their circumstances, despite the bad choices that they've made to come here, they still want to stay connected to their kids and, you know, want to show their kids that they're doing something positive. >> let's go! meeks and stokes, come here! >> le

. >> in tulsa, oklahoma, our field team was anxious to find out the truth about an inmate who had recently been booked into the county jail. the problem was, they learned of his presence on day 52 of a 54-day-long shoot. >> we were on our second-to-last day of filming in tulsa, and we heard about an inmate who was there, who could possibly have murdered 21 people. >> do you have the log on you? >> we generally don't start talking to somebody for the first time with only two days left to shoot. it just doesn't generally give us the amount of time to build the story that we need. but it's not common that we come across somebody that could be an alleged serial killer. >> he's actually security level one. i've never had a level one since i've been assigned here. level one is for -- in my terms, no other way to put it, they are a true bad guy. >> 27-year-old chance clagett had recently been arrested for allegedly beating and choking a girlfriend. when the police arrived, the victim told him during the attack, clagett said he would kill her, just as he had done to 21 others. he would later plead not guilty at his arraignment. >

. >>> 19-year-old kayla jones says she was at an all new low the day we met her at the tulsa county jail. >> the reason why i got here is because i'm going through heroin withdrawals. >> erin chose to stay on the floor because she needed to have access to the restroom if need be because she would have diarrhea. she had the bucket because she was continuously vomiting. to be on a top bunk where she was assigned, obviously, wasn't conducive for her going through this kind of a situation. >> i'm trying so hard not to -- >> not to what? >> throw up. >> jones told us she had been using heroin for three years and the withdrawal was the worst thing she'd ever experienced. >> take me through that. what does that feel like? >> first the sneezing. you sneeze a lot. and continuously. it's a-choo, a-choo. and then you'll start getting the cold chills. and then after that you'll start getting real sick to your stomach and you'll be throwing up both ways. both ends. you can't sleep. you can't get comfortable. you can't just -- it's just the most uncomfortable feeling. >> it was a very visceral experie