A fourth suspect has been arrested in connection with the Wednesday night shooting death of 22-year-old Caleb Chamberlin.

Austin Allen, 20, was charged Friday with complicity to aggravated robbery and was lodged in the Logan County Jail. Ethan Grim, 17, Josiah Bush, 16, and Elijah Barrett, 15, each of Urbana, were lodged Friday in the Logan County Juvenile Detention Center, charged in connection with Chamberlin’s death, and also for shooting and seriously injuring Anthony Scartz, 24.

“Detectives of the Bellefontaine Police Department continue the delicate work of investigating the homicide of Caleb Chamberlin, the shooting of Anthony Scartz, and the assaults of two adults females inside the home of 601 West Columbus Avenue on Nov. 27 at 11:35 p.m.,” Bellefontaine Police Chief Brandon Standley reported Friday.

Scartz remains hospitalized in Columbus, and remains in critical condition from multiple gunshot wounds.

Barrett, who was also shot, was transported to Bellefontaine Friday and is currently in the JDC after being released from a Columbus hospital where he was treated for a gunshot wound to his leg.

Grim and Bush remained on the loose throughout Wednesday and into Thursday morning until Madison County sheriff’s deputies were eventually able to locate them and take them into custody without incident.

Allen has an extensive Logan County criminal record, with charges including obstructing official business, disorderly conduct and criminal mischief earlier this year.

Authorities believe he was present Wednesday at the scene of the crime.

Grim, Barrett and Bush each have lengthy juvenile records in Champaign County.

Bush had reportedly just been released Wednesday after four months in the custody of the Champaign County Juvenile Division.

“This (case) is an example of excellent law enforcement investigative collaboration with numerous agencies and tenacious follow through to make the arrests. We now look forward to justice being served,” Chief Standley said.

Bellefontaine police officers worked closely with law enforcement in Champaign, Madison and Franklin counties during their investigation to arrest the suspects.

Law enforcement and EMS were dispatched to 601 W. Columbus Ave. address shortly after 11:30 p.m. Wednesday on a report of multiple shots fired and multiple injuries.

Chamberlin was found dead, Scartz critically wounded and two females at the scene were also treated for non-gunshot related injuries.

Following the shooting, the three teenage suspects reportedly fled to Urbana to get Elijah help.

After he was flown to Columbus Children’s Hospital, law enforcement was alerted of his identity and the Columbus Division of Police assisted to secure him at the hospital the pending treatment.

Ethan and Josiah reportedly remained on the loose throughout Wednesday and into Thursday morning until another tip was received by officers of the Urbana Police Department that prompted local investigators to alert deputies from the Madison County Sheriff’s Office to check a residence where Ethan and Josiah were believed to be.

Madison County sheriff’s deputies were eventually able to locate Ethan and Josiah and take them into custody without incident.

Anyone with information related to this case may contact the agency at (937)599-1010. The information will then be relayed to investigators for follow up.