(Marshalltown, Iowa) – In an update to our previous report, officials with the Marshalltown Police Department report an arrest was made Sunday (March 19, 2023) in connection with a suspicious death investigation. Authorities has earlier stated that on Friday, March 17, 2023, at 4:03pm, law enforcement responded to 618 West Boone Street after receiving a 911 call reporting someone had been injured at this location and was not breathing. Upon arrival, officers found a 27-year-old male deceased. The victim has been identified as Isaiah Montell Forest, of Marshalltown. On March 18, an autopsy of the victim was performed by the Iowa Office of the State Medical Examiner. The autopsy revealed the victim died as the result of a gunshot wound.

On Sunday, March 19, law enforcement arrested 20-year-old Amarrion Demeir Isom. He was being held in the Marshall County Jail. Mr. Isom has been charged with Murder in the First Degree (Class A Felony).

At this time, there is no evidence or information available that would suggest a threat to the general public. While the investigation does continue, it is important to note that law enforcement is not looking for any other suspects.

The Iowa Division of Criminal Investigation and the Marshall County Attorney’s Office are assisting the Marshalltown Police Department with this investigation. Anyone with information about this incident is asked to contact the Marshalltown Police Department at 641.754.5729.

(A criminal charge is merely an accusation and the defendant is presumed innocent until and unless proven guilty.)