Stewart, 61, killed the 51-year-old children s book author in 2016 and dumped her body in the cesspit of the £1.5 million home they shared in Royston in Hertfordshire.
Ian Stewart, 61, killed the 51-year-old children s book author in 2016 and dumped her body in the cesspit of the £1.5 million home they shared in Royston in Hertfordshire, along with her dog Boris.