Authorities in Tucson, Arizona, are investigating a deadly shooting outside a well-known LGBTQ gathering place as a possible hate crime after two people were killed and the suspected gunman later died from a gunshot wound. The shooting happened shortly after midnight on Monday in the parking lot of Venture-N, a long-standing gay bar in Tucson. Police identified the victims as 42-year-old Vincent Anthony Siqueiros and 33-year-old Cameron Davis Capara. Both men were pronounced dead at the scene.…