Iowa State University golf star Celia Barquin Arozamena was practicing her game alone when she was murdered, allegedly by a homeless man who camped near the golf course. Nancy Grace looks at the case against Collin Daniel Richards, 22, who is charged with murdering Arozamena.

Nancy is joined by a panel of experts including Atlanta defense lawyer Ray Giudice, forensics expert Karen Smith, Fulton County, Georgia, medical examiner Dr. Jan Gorniak, and Crime Stories reporter Chuck Roberts.

SEE IT: Witness who led police to body describes meeting 22-year-old golf standout the morning of her apparent murder

Nancy also looks at the trial of a London woman accused of harassing her ex-lover in a “sinister” stalking campaign of threatening emails and a fake pregnancy belly. Los Angeles psycho analyst Dr. Bethany Marshall, Atlanta prosecutor Kenya Johnson, and Atlanta juvenile judge and lawyer Ashley Willcott join the discussion.

Bitter ex launches stalking campaign against former boyfriend, buys fake pregnancy belly via Amazon: Report

“Crime Stories with Nancy Grace” is also a national radio show heard on SiriusXM channel 111 airing for two hours daily starting at 12 p.m. ET and around the country on local radio stations. You can also subscribe and download the daily podcasts at iTunes and Google Play.

[Feature Photo: Celia Barquin Arozamena/Handout]