Maryland State Police homicide investigators have arrested two additional suspects believed to be involved in the murder of a Wicomico County man early Saturday, June 10.

John Schoolfield III, 17, of Salisbury, is charged as an adult with first-degree murder, second-degree murder, use of a firearm in the commission of a violent felony crime, first-degree assault, conspiracy to commit first-degree murder, conspiracy to commit second-degree murder, conspiracy to use a firearm in the commission of a violent felony crime and conspiracy to commit first degree assault.

Courtlen Coston, 18, of Salisbury, is charged with first-degree murder, second-degree murder, use of a firearm in the commission of a felony violent crime, first-degree assault and conspiracy to commit first degree murder.

Both men are being held in the Wicomico County Detention Center.

Schoolfield and Coston, along with Ryan Holden, who was arrested June 10, are charged in connection with the murder of Anthony Cropper, 57, of Salisbury.

Cropper was shot just after 1 a.m. after he answered a knock at the door of a friend’s home in the 100-block of Middle Neck Road, and exchanged words with several individuals.

Maryland State Police Homicide Unit investigators, assisted by the State Police Criminal Enforcement Division and the Salisbury Police Department Criminal Investigation Division, conducted numerous interviews and developed evidence and information that led to the identification of Schoolfield and Coston as suspects.

Both were located at a home in the 100-block of Onley Road on the morning of June 13 and subsequently charged.