In the ongoing investigation into the fatal shootings in San Bernardino, authorities have identified an individual who bought two of the weapons used in the attack.

In the ongoing investigation into the fatal shootings in San Bernardino, authorities have identified an individual who bought two of the weapons used in the attack. 
Enrique Marquez, a former neighbor of one of the shooters, Syed Farook, has been under questioning.
He has admitted he bought two assault weapons for Farook in 2011 or 2012. 
The guns were acquired through legal channels.
Authorities believe Farook