Barnaby Jones (1973)

S2E14 Venus as in Flytrap

Barnaby investigates the death of a woman wed to a renowned author, initially deemed a suicide. As he delves further into the case, he uncovers intriguing connections that suggest the author's fiercest critic might also be his most devoted admirer. With each revelation, the circumstances surrounding the wife's death begin to point away from suicide and lean toward the possibility of murder.