A 7-year-old boy’s mother and two co-parents were charged with murder in Ohio after his grandparents hired a private investigator over concerns the child was being abused, according to reports. Cincinnati police said Kaitlin Evans, 38, and her co-parents, Kirby Rankin, 33, and Nessa Keaney, 23, have all pleaded not guilty to murdering 7-year-old William Evans. The Hamilton County jail and Municipal Court databases list Rankin’s sex as male, while Cincinnati police identify Rankin as female. CLICK HERE FOR MOREWilliam’s grandparents, Mike Evans and Tina Evans, told WLWT they feared their grandson’s home had become a "house of horrors." A detective then told Mike that William had died and Kaitlin was being questioned downtown.