The L.A. City Council is offering a $50,000 reward Thursday for tips leading to an arrest.
Arviso lived in Wilmington, which is part of L.A. City Councilwoman Janice Hahn's district. Hahn said Arviso was going back to school and was working to support his 3-year-old daughter.
Anyone with information is urged to call (877) LAW-FULL (877-529-3855).