sources close to the investigation have told cnn that matt had a relationship with joyce mitchell the woman who worked with limb and david sweat at the tailor shop. mitchell is alleged to have passed tools inside frozen is hamburger meat. mitchell as attorney says that richard matt considered clinton correctional officers palmer quote, as his boy. palmers s attorney has not commented on that. after the ricker son killing in 1997 richard matt fled to mexico to get away. he served nine years there for killing a man in a bar fight in mexico. then he was extradited to the u.s. to stand trial in the ricker son case. a detective from that case described richard matt as psychotic. quote i have seen him inflict wounds on himself, break her collarbone and not seek any treatment. he s just totally, totally fearless and does not respond