Police were seeking any of the 50 to 100 potential witnesses to a 19-year-old's fatal stabbing at an illegal street race and car club meet in Fullerton over the weekend, Fullerton police said Wednesday.
Fullerton police identified the teen as Brian Jefferson Sanchez of Anaheim.
Surveillance cameras captured cars spinning out at the informal car club event Saturday that began in Anaheim and moved to the 1400 block of Manhattan Avenue in Fullerton by 1:15 a.m.
Car enthusiasts gathered in the parking lot, burning rubber, and as video shows, carrying balloons filled with nitrous oxide to be inhaled by partygoers to get high, Fullerton police said.
Amid the event, a fight broke out involving Jefferson Sanchez and he was stabbed, police said.
"The victim was transported to a local hospital by partygoers and we were called to the hospital," said Fullerton police Sergeant Kathryn Hamel. "Unfortunately the victim was pronounced dead."
Police said by the time officers arrived at Anaheim Regional Hospital, there were no friends or witnesses left to tell them exactly what happened.
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Authorities still don't know who organized the car club meet.
Anyone with information on the stabbing or event is encouraged to call Fullerton police at (714) 738-6753. Anyone wishing to remain anonymous can call (855) TIP-OCCS.