Who is the California shooting suspect who killed 12 people at a dance bar?

The suspect has been identified in the mass shooting at a California nightclub, two law enforcement sources said. The killer was identified as Ian David Long, a 28-year-old former Marine.

What we know about the California shooting suspect who killed 12 people?

• The suspect is a white man in his late twenties, according to ABC News. The Associated Press reported that he was 29.
• His gun, which appears to be a .45-caliber handgun, was purchased legally, according to reports. 
• AP reports that he also deployed a smoke device.

What is the name of the Thousand Oaks Califonia mass shooting suspect?

The suspect is Ian David Long, a 28-year-old former Marine.