were destroying county property. >> once we're in the cell 23 hours a day, we get creative in breaking lights to get the wire. we burn grease to make the ink. >> even though we pulled him out, the knowledge he gave them on how to make the rigs is still something we're combatting today because inmates are constantly making rigs and they're constantly tearing apart the light fixture, and it's something that he started. >> hidalgo has also been on the receiving end of the jailhouse tattoo trade. >> when inmate hidalgo first came into the facility he didn't have anywhere as near as many tattoos as he has now. most of the tattoos that he has received he's received within our facility and he's very proud of his tattoos. >> i was made in the hood so as a reason for that. 237 is my hood. my zip code, 78237.