NORTH COAST, Calif. – Sonoma County Sheriff’s detectives are sharing new information and are asking for the public’s assistance with a homicide case that occurred in Sebastopol on Saturday.

The victim in the case is 19-year-old Cory Alan Vaughn, the sheriff’s office reported.

At about 12:30 p.m. Saturday, Vaughn was with friends at a house party near the intersection of Bodega Ave and Pleasant Hill Rd in Sebastopol.

Authorities said the suspect, 18-year-old Anthony William Ibach, arrived in his 2001 burgundy colored BMW and parked in the nearby business parking lot of the Gravenstein Grill. Ibach and Vaughn had some issues that detectives are still sorting out. Witness accounts have varied about their unresolved issues.

Vaughn’s friends told Vaughn that Ibach was in the parking lot next door wanting to talk to him, the sheriff’s office said. Vaughn left the party and met with Ibach, which ultimately resulted in a fight.

During the fight, authorities said Ibach pulled out a cutting instrument and hit Vaughn several times with it. One deep slashing wound was delivered to Vaughn’s upper chest which ended the fight.

There were many witnesses to this fight and several friends rendered first aid but Vaughn succumbed to his injuries, authorities said.

The sheriff’s office said Ibach fled the scene in his burgundy BMW. A law enforcement poster was sent to agencies and Ibach was spotted by San Rafael Police and detained as he was walking in the 500 block of Francisco Boulevard. Ibach originally gave a false name but his identity was later confirmed.

Ibach has been arrested and was booked into the Sonoma County Jail on one count of murder and is being held without bail, according to the report.

Detectives are still looking for Ibach’s vehicle which is described as a 2001 burgundy BMW 325i with custom rims. The vehicle has a California License Plate of 4SVW467. The front license plate was not attached to the car, but was placed on the dashboard.

If anyone spots this vehicle they are being asked to immediately notify Sonoma County Sheriff’s detectives at 707-565-2121.