December 7, 2015. Neighbor Who Allegedly Purchased Rifles Used By San Bernardino Terrorists Revealed by sundance It is being reported that Enrique Marquez purchased the rifles in 2011 and 2012. The relationship is not very well identified. Marquez checked himself into a mental hospital a few hours after the attack. This story gets more weird as each day passes...CALIFORNIA – Eyewitness News obtained a photo of San Bernardino shooter Syed Farook's former neighbor, Enrique Marquez, who allegedly bought two of the four weapons used in Wednesday's massacre.Marquez allegedly purchased the two "assault-style" rifles over three years ago. Authorities haven't been...