Man charged in New Year's attack


WALLA WALLA — An alleged local gang affiliate was charged Thursday afternoon in Superior Court with a New Year’s Day attack on a man in the west end of town.

Mario Diaz Jr., 19, of 247 W. Chestnut St., is accused of second-degree assault, felony riot and possession of a pistol by a person 18-21 years old.

Police believe Diaz was among about 15 suspected gang members who approached two men walking in the area of Chase Avenue and Chestnut Street about 3:30 a.m. Jan. 1.

The group asked the two men — identified in a police report filed in court as Tylur D. Tiedemann, 21, and Jed J. Muse, 30 — with what gang they affiliated.

After Tiedemann and Muse replied they didn’t affiliate with any gang, they reportedly were assaulted.

Tiedemann told officials he was knocked to the ground and a man, later identified as Diaz, held a silver pistol and ordered Tiedemann not to move while he was being kicked in the head and body by several others, the police report says.

Meanwhile, Muse was punched once in the face by someone and a man pointed a small black pistol at him, according to officials.

Diaz was arrested at his residence by the local SWAT team early Wednesday morning and is incarcerated in the County Jail in lieu of $100,000 bail.


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