Mica Miller, the late wife of South Carolina Pastor John-Paul Miller, reportedly took her own life as the couple’s marriage reached a bitter end, RadarOnline.com has learned. A medical examiner revealed her cause of death this week as heart-wrenching 911 audio emerged of her last moments.Mica, 30, was found dead on April 27 in the state’s scenic and swampy Lumber River State Park. The news of her death led to a flurry of rumors, with suspicion cast on her estranged husband and other theories stemming from the revelation that she had previously reported being harassed by an unnamed man.Robeson County…