An intense investigation is under way in Texas where a County District Attorney Mike McLelland and his wife were found shot to death Saturday, just two months after one of McClelland's prosecutors was shot and killed near his courthouse office. // Police are still looking for blind rapper Mac Wayne, the "undisputed Ray Charles of rap." Now he seems to be taunting authorities with a new song: "Catch Me If You Can." // After hosting his Sunday morning show, "Up with Chris Hayes" on MSNBC for the past year and a half, Chris Hayes is moving to weeknights. "All In" premieres tonight at 8 p.m. EST / 5 p.m. Hayes will be the youngest prime-time anchor on any of the major cable news channels. He joins us.