article_snippet: Caught: Police are seen leading A gunman in the Mesa, Arizona, shooting spree dressed in a white hazmat suit  (left and right)
article_snippet: Active shooter: Heavily armed SWAT officers scoured the Phoenix suburb of Mesa searching for the gunman .
article_snippet: The shootings prompted an intense hunt for the gunman as Mesa police searched the trunks of cars, interviewed witnesses and brought in SWAT and canine units from other agencies.
article_snippet: The Arizona Department of Public Safety sent The Arizona Department of Public Safety to Mesa to assist with the effort, DPS spokesman Bart Graves said.
article_snippet: Scottsdale police also sent SWAT and canine units.
article_snippet: Instagram user pacbrim posted this image showing police scouring Mesa in search of the gunman .