A defense expert testified Wednesday that Carly Gregg heard voices before she allegedly killed her mom. The state's rebuttal witnesses say different.

Mississippi teen Carly Gregg was severely depressed and possibly hearing voices when she allegedly gunned down her own mother, psychiatrists testified at her trial Thursday — but one argued she committed a “diabolical” act that keeps her from meeting the requirements of an insanity defense.

A tragic family incident has turned into a murder trial as a teenager is accused of killing her mother and attacking her stepfather. The accused is facing serious charges. On Monday, September 16, Carly Madison Gregg,