Brenda Benet, staged suicide (age 36)

Brenda Benet and her live-in lesbian girlfriend Tammy Bruce.

Mandeville Canyon Brentwood death of actress Brenda Ann Nelson (Benet) found dead on the guest bathroom floor at noontime Wednesday April 7, 1982. Shot through the mouth by a policeman's special 38 caliber gun.
https://www.wikiwand.com/en/Brenda_Benet
https://en.wikipedia.org/wiki/Brenda_Benet

Married & divorced from Paul Peterson (1967-69)
https://en.wikipedia.org/wiki/Paul_Petersen
Married & Divorced from Bill Bixby (1971-80)
https://en.wikipedia.org/wiki/Bill_Bixby
Engaged to lesbian teenager Tammy Bruce (1980-82)
https://en.wikipedia.org/wiki/Tammy_Bruce