Overview

• Alyssa Wiest, a 25-year-old microbiologist, was fatally shot outside her West Conshohocken home on May 18, 2025, after ending her nine-month relationship with Michael Dutkiewicz.
• Police allege Dutkiewicz used Wiest’s own Ruger .38-caliber handgun, firing multiple shots as she fled, including two while she was on the ground.
• Dutkiewicz fled the scene in his Ford F-150 but turned himself in later that day, bringing the suspected murder weapon to the West Conshohocken Police Department.
• He is charged with first-degree murder, third-degree murder, and possession of an instrument of crime, and remains in custody without bond at Montgomery County Correctional Facility.
• Wiest’s family described her as a driven and compassionate individual with a promising future, highlighting her career at GSK and her aspirations to improve pharmaceuticals.