OCSD arrests Laguna Niguel man in connection to stabbing another man to death


Orange County Sheriff’s deputies on Monday arrested a Laguna Niguel man on suspicion of killing another Laguna Niguel man during an argument Sunday evening.

Steven Richard Gilbert, 59, is suspected of stabbing Thomas Robert Marston, 53, at a residence in the 29000 block of Palo Drive in Laguna Niguel on Nov. 27.

Deputies responded to the residence at about 9:54 p.m. Sunday and discovered Marston lying unconscious with a possible stab wound. Marston was taken to the hospital and pronounced dead.

Xxxx. OCSD booking photo

Steven Richard Gilbert. OCSD booking photo

Gilbert was identified as a possible suspect, but was not at the residence.

Deputies located Gilbert in a vehicle in Mission Viejo and detained him without incident.

Gilbert later was arrested for murder and booked into Orange County Jail, where he is being held on $1 million bail and scheduled to be in court Tuesday, Nov. 29.

Investigators have not determined a motive for the homicide.

The Orange County Coroner will determine the manner and cause of death following their investigation.

Anyone with additional information is asked to call the Orange County Sheriff’s Department at 714-647-7000 or 714-647-7044. 

Anonymous tips also may be submitted to Orange County Crime Stoppers at 855-TIP-OCCS (855-847-6227).