Randy Travis' wife allegedly killed him for cheating, according to police.

– Christine Ann Roberts, 72, shot her husband, Thomas Roberts, 68, allegedly because he had cheated on her.

– Thomas Roberts was a 68-year-old lighting director for country music star Randy Travis.

– The shooting occurred on the front porch of the couple's home in East Nashville.

– Thomas Roberts died from a single gunshot wound to his chest.

– The incident led to criminal homicide charges against Christine Ann Roberts.

– Country star Randy Travis expressed sorrow and paid tribute to Thomas Roberts on Facebook.

– The Metropolitan Nashville Police Department recovered a pistol from the crime scene.

– Christine Ann Roberts was assigned a $100,000 bond by a judicial commissioner.

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