ATLANTA (AP) — A 33-year-old man has pleaded not guilty to strangling an LGBT activist and, months later, gauging out the eyeballs of a cellmate.

The Atlanta Journal-Constitution (http://on-ajc.com/1PP89jg ) reports that Donte L. Wyatt pleaded not guilty to 14 felonies, including two counts of malice murder, Wednesday in a DeKalb County courtroom.

Authorities say that Wyatt stabbed his estranged wife at a Henry County Waffle House restaurant before strangling Catherine H. Montoya in her Atlanta home. Montoya was an activist for the lesbian, gay, bisexual and transgender community. Wyatt's wife survived the attack.

On July 4, authorities say Wyatt killed 23-year-old DeKalb County jail cellmate Jah'Corey Tyson, strangling him and removing his eyeballs.

Wyatt's appointed attorney, Daryl Queen, said his client would undergo a psychological evaluation to determine if he's fit to stand trial.

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Information from: The Atlanta Journal-Constitution, http://www.ajc.com