Press Release: MCSO Arrests Suspect in Carmel Murder / Attempted Suicide Incident
DATE/TIME: 7/28/25 at 12:30 PM
TYPE OF INCIDENT: Arrest Made in Carmel Murder/Attempted Suicide Incident
LOCATION: High Meadows Community, Carmel, California
MEDIA CONTACT: Andres Rosas, Commander; Phone: 831-261-5492; Email: rosasae@countyofmonterey.gov
The Monterey County Sheriff’s Office has arrested 79-year-old Donel Mark Geisen for the murder of his wife, Barbara Lynn Geisen, of Carmel.
Donel Mark Geisen was being treated for critical self-inflicted injuries he sustained after calling 911 to report he had murdered his wife. This incident occurred on July 24th, 2025, at their home on the 3700 block of Raymond Way in Carmel. Barbara Lynn Geisen succumbed to her injuries at the residence.
Donel Mark Geisen was evaluated ant treated by medical professionals at a local hospital before being cleared for booking into the Monterey County Jail. His bail has been set at $1,000,000.00
This remains an active investigation.