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