antonio's bexar county jail do all they can to make their cells as sanitary as possible, especially raymond diaz are you surprised that 75% people have better hygiene habits. >> diaz who is awaiting trial and has pled not guilty to charges of theft, burglary and cocaine possession says cleanliness, or the lack of it, can also lead to conflict. >> that's a big part of being locked up. you know, there's people who get dropped, beat up, because they don't keep things clean. >> diaz's cell mate, marcelo cardenas, who is convicted of aggravated assault, and is awaiting transfer to prison to begin a six-year sentence, is happy to indulge him. >> he jokes i have an obsessive compulsive disorder. but which is fine for me, right? >> well, i'm not a germaphobe, but being in prison might make some people anal. >> that's why we keep a towel or shirt to keep all the dust out and all because people walk by, it blows dust and air and stuff like that. so for all the people who think that we live in filth, on the contrary. we probably have a cleaner -- a cleaner cell than most people's houses. >> while the jail