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Posted on: September 8, 2023

Marshalltown Man Arrested in Connection with April Shooting Investigation

Crime Alert MPD

On Friday, September 8, at 3:06pm, the Marshalltown Police Department arrested Jaycob Jonniel Perez, age 18, of Marshalltown. Mr. Perez has been taken to the Marshalltown Police Department for processing and will ultimately be taken to the Marshall County Jail. Mr. Perez was arrested in connection with a shooting investigation that began on April 3, 2023.  On April 3, the Marshalltown Police Department was dispatched to the 300 block of West Linn Street to investigate a disturbance. Upon arrival, officers discovered gunshots had been fired at this scene during a fight that broke out.

Mr. Perez has been charged with:

  1. Intimidation with a Dangerous Weapon (4 counts)
  2. Burglary 1st Degree
  3. Reckless Use of a Firearm Causing Bodily Injury
  4. Criminal Mischief 4th Degree


Chief Michael W. Tupper stated, “I am proud of the extensive police work our police officers and detectives put into this investigation. This is an example of senseless violence that could have resulted in tragedy. What made this investigation even more concerning is that it involved several young people who continue to wander down a disturbing and dangerous path of violence. We remain concerned about a small group of juveniles and young adults who are more frequently turning to guns and violence to settle petty disputes. This is a dangerous game that we cannot and will tolerate in this community. I strongly urge all parents to talk to their sons and daughters about gun violence and the need to walk away from dangerous people and situations.” 

This investigation is on-going. Anyone with information about this incident is asked to contact the Marshalltown Police Department at 641.754.5729. Tips may also be submitted anonymously by calling Marshall County Crime Stoppers at 641.753.1234 or via text by texting the word “marshall” followed by the tip to CRIMES (274637). Additionally, tips may be submitted online at

The Marshalltown Police Department has been assisted in this investigation by the Marshall County 911 Communications Center and the Marshall County Sheriff’s Office.

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

For more information, please contact Police Chief Michael Tupper by calling 641.754.5771 or via email at

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