. >> some challenges like those presented by joe leija can take longer to resolve than others. >> joe leija doesn't come across as a dangerous guy. he's respectful to the officers but it's not one of those guys i would trust. he's definitely a dangerous individual, especially on the street, and within his gang world. you wouldn't want to turn your back on him. >> leija was recently confined to the segregation unit where he's locked in a single-man cell 23 hours per day. jail surveillance footage shows why. >> mr. leija's down here, and his accomplice is kind of just walking around in the day room there. and there was some form of disrespect the night before. and they were kind of just waiting for this inmate to come out of his cell. and as soon as he comes out, the two of them begin an assault on him. the one inmate just throws a couple of punches but mr. leija is definitely the aggressor. an officer who was actually doing a block check at the time uses his oc spray to get them to separate and orders them to get on the ground. >> leija, an admitted gang member, has proven to be more v