Question: Police officers, armed with model MarkV-A1, were shot at the end of a protest against police killings of Alton Sterling in Baton Rouge, Louisiana, and Philando Castile in Falcon Heights, Minnesota, what was used to disable the shooter?  
Sentence (from "2016 shooting of Baton Rouge police officers"): Three died and three were hospitalized, one critically; of the officers who died, two were members of the Baton Rouge Police Department, while the third worked for the East Baton Rouge Parish Sheriff's Office.
Relevant evidence: No