While authorities have identified the couple who carried out the shooting rampage, police say their motive remains a mystery.
Read more..."Hellbent on killing," say cops.
Read more...Family friend says parents mourning victims "more than they are mourning their son."
Read more...The suspect believed to be responsible for the Friday night shooting has been identified as Elliot Rodger.
Read more...Authorities now analyzing bizarre YouTube video from suspected gunman.
Read more...VIDEO: The shooter has not been identified by authorities.
Read more...LISTEN: Audio from the Sandy Hook shooting 911 tapes.
Read more...Mental health problems aside.
Read more...17 people were shot in Detroit and Chicago Wednesday alone.
Read more...A gunman opened fire at a LAX security checkpoint Friday.
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