(AP) — Law enforcement officials say the suspect in the Las Vegas shooting at a federal building was upset over losing a lawsuit over his Social Security benefits.

The two officials, speaking on condition of anonymity because they were not authorized to discuss the case, say Johnny Lee Wicks is the man who opened fire at a security checkpoint Monday morning and was shot dead in a gunfight with deputy U.S. marshals.

While the investigation is still under way, the officials say the early evidence points to the man's anger over his benefits case as the motive for the shooting.

Court records show Wicks had sued the Social Security Administration in 2008, but the case was thrown out and formally closed in September 2009.

Gregg Sarra sounds off on the Nassau Conference II football matchup between Calhoun at Carey, plus the comeback story of New Hyde Park's Gabriel Peter, an update on the high school fantasy football standings and the plays of the week. Credit: Randee Daddona, Gary Licker, Anthony Santino

Sarra Sounds Off, Season 3, Ep 4: Top football teams in action, fantasy update and plays of the week Gregg Sarra sounds off on the Nassau Conference II football matchup between Calhoun at Carey, plus the comeback story of New Hyde Park's Gabriel Peter, an update on the high school fantasy football standings and the plays of the week.

Gregg Sarra sounds off on the Nassau Conference II football matchup between Calhoun at Carey, plus the comeback story of New Hyde Park's Gabriel Peter, an update on the high school fantasy football standings and the plays of the week. Credit: Randee Daddona, Gary Licker, Anthony Santino

Sarra Sounds Off, Season 3, Ep 4: Top football teams in action, fantasy update and plays of the week Gregg Sarra sounds off on the Nassau Conference II football matchup between Calhoun at Carey, plus the comeback story of New Hyde Park's Gabriel Peter, an update on the high school fantasy football standings and the plays of the week.

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