Captain Harry Love killed California bandit Joaquin Murrieta in 1853; 15 years later, he came to his own hard end.
Love was a homeless drunk, separated from his wife and insanely jealous. In June 1868, he was waiting with a shotgun when she came to her Santa Clara home with a hired hand/bodyguard.
The two men got into a gunfight. Both were hurt, the hired hand superficially. Doctors amputated Love’s right arm—the chloroform failed to put him fully under–but he died 30 minutes later.