kron 4's terisa estacio talks to the police chief. >> reporter: the facts prove the officers had no choice. they had to use their weapons in the shooting this weekend where a mat was shot after a confrontation with officers for avading a fare on a muni. he laid it out, howcome rus record -- cameras recorded the shots. >> he fired at the officers under his arms. the officers returned fire, striking kenneth harding. independent witnesses, i applaud the courage of the witnesses to come forward in this type of environment, confirm the suspect fired on the officers before they returned fire. >> special audio system recorded the gunfire. police say the first shot is the suspects. >> audio picks up the sound of gunfire that lead to the translation of those events. play the audio. [ gunfire ] >> reporter: after the shooting police say a bystander drab grabbed -- grabbed the gun. >> there are several examinations still going on, gun shot residue test on the suspect's hands, dna. >> reporter: terisa estacio, kron 4 news. >> kenneth harding's shooting sparked this rally today. 100 people showed up. t