California gang member killed 4 while on probation. In SAN BERNARDINO COUNTY, CALIF. - A convicted felon who was on probation after allegedly killing four people, including his girlfriend and ex-girlfriend on the same day, has been charged with multiple counts of murder following a shooting rampage, according to the San Bernardino County District Attorney's Office. Office. Authorities identified the suspect as 43-year-old Louis Peter Hernandez, also known as "The Wicked." Hernandez is a known gang member with a history of violence and is suspected of shooting and killing his girlfriend and another person over the fourth of July weekend.