Gavin Long suffered from PTSD, source tells CNN

Gavin Long (Photo: CNN)

(CNN) — Gavin Long, the man who shot six law enforcement officers Sunday in Baton Rouge, Louisiana — killing three — suffered from post-traumatic stress disorder, a source involved in the investigation told CNN’s Chris Cuomo.

Long joined the Marine Corps in 2005 and worked as a data network specialist, according to the US military.

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He was discharged at the rank of sergeant in 2010, after serving in Iraq.

The source also told CNN that Long had filled a prescription for Ativan, an anti-anxiety drug, as recently as June.

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