Fugitive Paul Clouston , 73 , taken into custody at men 's group home in California . Clouston convicted , served time for killing police detective . Comment: Viewer tip to TV 's `` America 's Most Wanted '' led agents to Clouston , official says .
Fugitive Paul Clouston , 73 , taken into custody at men 's group home in California . Clouston convicted , served time for killing police detective . Clouston became fugitive when he failed to register as convicted sex offender . Viewer tip to TV 's `` America 's Most Wanted '' led agents to Clouston , official says .