"What do we want? Justice. When do we want it? Now," shouted protesters.
"This isn't a Hall of Justice, it's a house of horrors," said Ben Bac Sierra.
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On Wednesday, District Attorney Gascon shared a 3-D animated analysis of the incident. One of the officers reported Perez-Lopez came towards him with a knife.
Officers fired six shots. Five of the six bullets his Perez-Lopez in his back.
"Based on reaction time, Perez-Lopez would have been able to turn 90 to 180 degrees by the time the first bullet hit him," said Gascon on Wednesday during a press conference.
"This report declares that a human body running away is faster than a speeding bullet," said Rebecca Young with the San Francisco Public Defender's Office.
COURT DOCUMENT: Lawsuit filed over SFPD shooting death of Amilcar Perez-Lopez
Gascon says officers, under the law, are justified in using deadly force to protect others -- in this case another man Perez-Lopez was reportedly
The DA is sending the full investigative file to the State Attorney General.
Protesters say they also want to see it. A spokesperson for the DA's Office says it contains investigative techniques and personal identifying information of undocumented immigrants that can not be released publicly.
RELATED: George Gascon explains delay in fatal SFPD shooting investigation
"There's a way to redact the text so that you're not revealing any inappropriate information," said Father Richard Smith with the Episcopal Church of St. John the Evangelist.
Protesters also want to meet with Gascon. The spokesperson for his office says Father Smith declined a meeting.
"He needs to talk to more than just me. It's not just me who was re-traumatized by his inadequate report, it's an entire community of people," said Father Smith.
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