‘A spurned lover got revenge on her partner – by putting itching powder in his underpants.
Brenda Spilsbury, 57, found David Henderson, 59, having sex with work colleague Ann Graham.
Over a three year period, Spilsbury also sent the former head teacher hate mail and damaged 45-year-old mum-of-two Ann’s car, a court heard. [..]
Spilsbury added: “Ann was married, and left her husband. I saw the itching powder as a way to make David suffer.’