Authorities vow deeper inquiry into Robert Fuller’s hanging death; attorney general joins investigation

Colonel Brooks Sr. 50, raises his arm as Pastor Michael Barrett of Do Right Christian Church leads a group in prayer at a memorial for Robert Fuller in Palmdale. (Al Seib / Los Angeles Times)

Protesters outside Palmdale City Hall as organizers demand justice for Robert Fuller. (Al Seib / Los Angeles Times)

A rally calling for justice and transparency in the deaths of Robert Fuller and Michael L. Thomas takes place in Lancaster in front of Supervisor Kathryn Barger’s office in Lancaster. (Irfan Khan/Los Angeles Times)

Maseana Bennett, 11, lights a candle with cousin Elessa Swink, 18, left, as they visit a memorial to Robert Fuller in Palmdale. (Al Seib / Los Angeles Times)

Emily Mathijssen, 22, and Johnny Southworth, 31, visit a memorial to Robert Fuller. (Al Seib / Los Angeles Times)

Suzie Washington, left, hugs Tommie Anderson as protesters knock on the front door of Palmdale City Hall. (Al Seib / Los Angeles Times)

Palmdale City Hall remained closed Monday morning. (Al Seib / Los Angeles Times)

Deonte Kemp, 27, of Los Angeles lights candles at a memorial for Robert Fuller. (Al Seib / Los Angeles Times)

Protesters demand justice for Robert Fuller. (Al Seib / Los Angeles Times)

Outside Palmdale City Hall. (Al Seib / Los Angeles Times)

Protesters become emotional outside Palmdale City Hall. (Al Seib / Los Angeles Times)

Outside Palmdale City Hall. (Al Seib/Los Angeles Times)