Under Your Skin by Sabine Durrant

Gaby Mortimer, a famous morning show presenter, finds the body of a woman while out jogging one day. The lead investigator, DI Perivale, is immediately suspicious of Mortimer and it isn't long before she's brought in for questioning. When connections begin to be made between Gaby and the murdered woman, Ania Dudek, Gaby wonders if someone is trying to frame her for the crime. With her marriage faltering and notes from a unknown stalker, Gaby enlists the help of a journalist to clear her name. For readers who enjoy psychological novels focusing on women's lives.