WASHINGTON (AP) — Aaron Alexis, a 34-year-old former Navy reservist, was identified by the FBI on Monday as the gunman responsible for a mass shooting at the Washington Navy Yard in which 13 people died, including Alexis. Here are some biographical details on Alexis:

NAME: Aaron Alexis.

Recommended Stories

Security contractor says hit by computer breach

Gunman’s doctor before rampage: ‘No problem there’

A look at Hostess Brands’ ownership history