Kanasho Johns, 27, was arrested on June 23 at his Houston, Texas, home and extradited to L.A., where he faced charges of murder and possession of a firearm by a felon in connection with the killing, the DA’s office stated in a news release.

A fourth person, 27-year-old Antheyst Jarrett, was arrested during an initial investigation on suspicion of witness intimidation and being an accessory after the fact, according to the Los Angeles Police Department.

Authorities announced the arrests of Johns, Smith and Johnson at a news conference on June 23.

The young man, who was described by Rivers as “mentally challenged,” was taken to California Hospital where he later died.

The two suspects who confronted Price before the fatal shooting have been charged with one count each of murder. Smith and Johnson entered not guilty pleas last month and were scheduled to return to court next Monday for a preliminary hearing, according to the DA’s office.

The man accused of fatally shooting 19-year-old Tavin Price at a car wash because of the color of his shoes and clothing was scheduled to be arraigned on Friday in a downtown Los Angeles courtroom, according to the county District Attorney’s Office.

Johns then approached the victim and allegedly shot him, according to the release.

The victim was with his mother and a family friend at Simms Car Wash in the South L.A. neighborhood of Hyde Park on May 29 when he walked to a nearby smoke shop and came across Dwight Kevin Smith, 30, and Kevin Deon Johnson, 24, who are both co-defendants in the case, according to the release.

Johns was identified in the release as the suspected gunman by Deputy DA Bobby Zoumberakis.

Price’s mother, Jennifer Rivers, told KTLA last month at a vigil for her son that she witnessed the shooting. She said that someone had told Price to take his shoes off prior to being shot.

Tavin Price is seen in a photo displayed at a June 1, 2015, memorial in honor of the slain teen.

Tavin Price is seen in a photo displayed at a June 1, 2015, memorial in honor of the slain teen.