UPDATE: Richard Contreras, 26, was arrested in Richmond on Monday in connection with the Twin Peaks double homicide.
Contreras is being held on multiple charges including one count of attempted murder, carjacking, firearm by a felon, assault with a semi-automatic firearm, and two counts of murder, according to the San Francisco Police Department.
He is expected to be in court for arraignment Wednesday at 1:30 p.m.

UPDATE MONDAY 12:57 PM: Julio Peraza’s mother spoke with KRON 4 News on Monday.
Sylvia Peraza told KRON 4 that her son would light up a room with his charm and personality.
He was not involved in any gangs and had no enemies. Julio’s older brother, Rafael says that he loved going to Twin Peaks to view the scenery. Sylvia’s full interview is located below.ON THE WEB:
A GoFundMe page has been established help the family of Julio Peraza with funeral expenses. To donate, please follow the link below.http://m.gofund.me/mq7s8u7w?rcid=85ef2b28d38b11e5b3dfbc764e05901c
Memorial on #TwinPeaks for double murder victims. @SFPD has made an arrest. @kron4news at 8 pic.twitter.com/5GsSqGi0Th
– Justine Waldman (@JustineWaldman) February 16, 2016
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SAN FRANCISCO (KRON) – Two men are dead and one is in the hospital with life-threatening injuries after a shooting early Sunday morning in San Francisco, police said.
Officers responded at 2:06 a.m. to the Twin Peaks lookout on a report of a shooting, officials with the San Francisco Police Department said.
Three men were found with gunshot wounds, police said. One man was pronounced dead at the scene.
Two of the victims were taken to the hospital, where one of them died.
The deceased victims have been identified as Rene Mora, 19, and Julio Peraza, 21, both of Santa Rosa, according to police.
The condition of the 18-year-old man that was taken to the hospital is unknown at this time.
Police believe another man who is a suspect in the shooting targeted the three men and fled, police said.
SFPD said the suspect fled the scene by carjacking a vehicle from another person at Twin Peaks.
The carjacked vehicle is described as a GMC Yukon Denali, dark grey in color, California license plate 5PJU851. The suspect is described as a male.
If you see the vehicle, do not approach it. Call 911 immediately, stay away, and wait until law enforcement arrives.
Anyone with information about the shooting is being asked to call the San Francisco Police Department anonymous tip line at (415) 575-4444 or text a tip to TIP411 and start the text with SFPD.