Today marks the most deadly shooting in American History. This was an act of terror and hate. Soon the man behind the massacre pledged allegiance to isis and tonight Law Enforcement are trying to figure out his exact motivation. Hello everyone i am have their homes. Were learning more about the gunman who carried out this terror attack against the Gate Community in orlando. His father said it was more about hate and less about religion. Thousands are marching in san cisco put our Team Coverage begins at the latest on the investigation. Isis is claiming responsibility for the deadliest mass shooting in American History with a 50 people dead and more wounded. Obama reacted to the massacre at take a nightclub targeted by 29yearold omar mateen who called 911 during the attack to pledges support for the islamic state. Suddenly he was filled with hatred. We will uncover why and how this happened and we will go wherever the facts leaders. Just seven isis claiming responsibility although it re