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Elk Grove Citizen

Homicide Investigation on Rowena Way and Arrest

May 27, 2022 12:00AM ● By By Sergeant Rod Grassmann, Sacramento Sheriff's Department

 SACRAMENTO COUNTY, CA (MPG) - At approximately 9:51 a.m. on Thursday, May 12, 2022, the Sheriff’s Communications Center received a call from a resident on the 1300 block of Rowena Way in Sacramento County stating there was a male subject laying on the floor.  The caller then stated the person was unresponsive and appeared deceased.

Upon arrival, deputies located one unresponsive adult male victim inside the home who sustained at least one stab wound.  The victim was pronounced deceased at the scene by responding personnel from Sacramento Metro Fire.

Sacramento County Sheriff’s Office Deputies located and arrested Thomas Dwayne Grant (40), within blocks of the residence.  Grant, who is a resident of Sacramento County, was booked into the Main Jail on a single count of homicide for the murder of Dan Richard O’Riordan (53).  Grant is being held without bail.  There is no further information at this time.

Detectives are asking anyone with information relating to this incident, to please contact the Sheriff’s Office at (916) 874-5115 or Sacramento Valley Crime Stoppers at (916) 443-HELP. Tip information may also be left anonymously at or by calling (916) 874-TIPS (8477).