COBB v. the STATE.

McFadden, Presiding Judge.

*210 After a jury trial, Allen Merrill Cobb was convicted of aggravated assault, riot in a penal institution, and obstruction of an officer. He appeals the denial of his motion for new trial, arguing that trial *211 counsel was ineffective. But Cobb has not shown that trial counsel's performance was both deficient and prejudicial. So we affirm.

1. Facts and procedural posture.

Viewed in the light most favorable to the verdict, see Jackson v. Virginia , 443 U.S. 307 , 319 (III) (B), 99 S.Ct. 2781 , 61 L.Ed.2d 560 (1979), the evidence shows that Cobb was an inmate at Hays State…