In three separate indictments that were handed down last Tuesday, 16 defendants are named, most of whom are East Palo Alto residents.
Of the 16 defendants, 11 are in custody in San Mateo County and five are in custody in other institutions, Deputy District Attorney Karen Guidotti said.
The crimes were allegedly committed because of the defendants’ involvement in East Palo Alto gangs and include three homicides in East Palo Alto and one in San Francisco in late 2012 and early 2013.
In the indictment, Jerry Coneal III and Miguel Angel Rivera Jr., both of Menlo Park, are accused of shooting and killing 21-year-old Christopher Baker in the 2200 block of Terra Villa Avenue on Oct. 5, 2012.
In San Francisco on Oct. 7, 2012, Raymond Lewis Bradford, Roberto Gabriel Bustos-Montes, Emmanuel Imani Hyland and Eric Valencia Vargas, all of East Palo Alto, are alleged to have conspired to kill Stoney Lamont Gipson.
Gipson was found dead in his car in the 700 block of Mission Street about 2:40 a.m. that day and another man was shot.
The four defendants are also charged with attempted murder.
Bradford, Hyland and Tyrone Sostenes Love-Lopez are also accused of murdering Jonathan Neri Alzacar in East Palo Alto on Jan. 14, 2013.
Bustos-Montes, Hyland, Love-Lopez, Marvin Ware of East Palo Alto and Nina Cragg of Palo Alto were indicted in another slaying less than two weeks later in East Palo Alto, on Jan. 26, 2013.
Bradford, Vargas and Ware are also indicted in the attempted murder of a rival gang member Sept. 30, 2012, on U.S. Highway 101 in Belmont.
Other charges in the indictments include robbery, drug dealing and witness intimidation.
The other defendants named in the indictment are Ralph Vernon Fields Jr., Donte Demon Jordan, Laquisha Inethia Walker, Leonard James Gaines and Rodney Levence Mitchell, all of East Palo Alto; Robert Wheller Jr. of Hayward; and Roshawn Bickham, who is in custody at Folsom State Prison.