. >> reporter: the same year in new york prison guard nancy gonzalez was sentenced to a year in prisonfter getting pregnant by a cop killer she was guarding. >> 13 secondx sessions that we know of. >> reporter: in oregon two prison workingers admitted to sneaking an inmate out for sex. both women now on the other side of prison bars. it's behavior that jansen says is rampant. >> did you ever have a female guard hit on you? >> no i never had a female guard hit on me. i had a female nurse hit on me. she wrote a letter stating she'd like to get to know me better. i'm not going to lie, i wrote her back. >> do you think if you pursued it it it could have turned into something? >> i do. >> reporter: emerge is as stronger job candidates there are more women working in the prison system than ever before. >> women are more likely to have those educational skills. you have to pass background checks, you can't have a criminal record. that plays in women's favor. >> reporter: between 2001 and 2007, the number of female corrections officers in male facilities has jumped from 24% to 40%. guarding fa