A fourth suspect involved in the disappearance of Bonney Lake teen Lily Christopherson has been arrested arrested.

On Friday, June 8, the Pierce County Prosecutor charged Nicholas David Biancalana, 29, with rape of a child in the third degree.

Also being charged with rape is William Kent Pittman, 34, who was arrested on May 31 and arraigned June 4.

According to the Pierce County Prosecutor’s Office, Biancalana was found hiding in Pittman’s home on May 26, and admitted to officers he and Pittman got high on heroin and had sex with Christopherson.

Bail for Biancalana and Pittman has been set at $500,000.

They join Christopher Fitzpatrick, 39, and Maria Counts, 29, who have both been charged with kidnapping in the first degree with sexual motivation, promoting the sexual abuse of a minor, and multiple charges for rape of a child in the third degree, among other drug charges and sexual offenses.

Counts was arrested May 24 and is also held on a $500,000 bail. Fitzpatrick was arrested May 26, and is held on a $2 million bail.

Christopherson was found at a Puyallup bus station on June 3, and has since been reunited with her family.