18-year-old Mayes County man pleads guilty to stabbing his aunt to death in 2023

An 18-year-old man pleaded guilty to murdering his aunt in Mayes County in March 2023.

Friday May 31, 2024, 10:27 p.m.

By:

News on 6

MAYES COUNTY, Oklahoma. –

An 18-year-old man pleaded guilty to murdering his aunt in Mayes County in March 2023.

Kali Penn admitted to killing her aunt, 33-year-old Tashina Monique Johnson.

He told the judge he stabbed her more than 80 times. When he was arrested, he told deputies he stabbed Johnson during an argument.

Penn was also sentenced to five years for prison charges.

The Mayes County prosecutor said the killing was one of the most brutal and horrific he has seen as a prosecutor.

He said he hoped the sentence would bring some peace to the victim's family.

Related: Pryor teen accused of killing aunt charged with first-degree murder