Before 9:45 a.m., deputies responded to a home near Military Road East and 50th Avenue Court East after a woman called 911 to report that her son had killed his grandfather.
When deputies arrived, they surrounded the home and asked the man to come out of the home.
A man in his 20s came out and was taken into custody.
Deputies went into the home and found the grandfather dead inside.
The Pierce County Sheriff's Department's Sergeant Darren Moss, Jr. said the man will be booked into the Pierce County Jail on suspicion of homicide.
The investigation remains ongoing.
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