Semi-auto gunfire dominated Waco shooting – only one assault weapon among the guns confiscated from bikers, and that was found in a locked car

Updated: Saturday, June 6 2015, 01:25 PM EDT

Waco, Texas (AP) — Several witnesses say they heard a few pistol shots and then a barrage of semi-automatic gunfire during the shootout last month at a Waco restaurant favored by bikers. But authorities still have not said how many of the nine dead and 18 wounded were the result of police fire.

Police have identified only one assault weapon among the guns confiscated from bikers, and that was found in a locked car after the shooting ended. Six witnesses — at least three of them veterans with weapons training — told The Associated Press a flurry of semi-automatic weapons fire dominated the May 17 shootout.

Nearly three weeks after the gunfight, what exactly triggered it remains unclear. More than 100 of the 170 people arrested remain in custody and cannot give their accounts.

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