Just remember if you do decide to take the BIL out. Make it look like an accident. Its a family event you'd have plenty of alibis
Me31 W31 M11yrs S6yrs 23Mar16-BD 9Apr16-W admitted EA w boss. 27Jun16-W Changed job and promised NC w OM. 14Jul16-Continued contact w OM.Start of Separation. 24May17-Divorced.