Table 2.

Studies on homicide-suicide.

Study	Male offenders	Female offenders	Male victim	Female victim	Spouse/domestic relation	Caregiver role	Firearm	Other weapon	Affected by alcohol	PPsychHx	Psychotic episode	Mood disorder	Medical illness	Possible precipitating factor & antecedents
Cheung et al. (2016)	4	0	1 (father-in-law)	4 (2 spouses, 1 sister, 1 disabled daughter)	4 (2 spouses, 1 sibling, 1 daughter)	1	3	0	N/A	2	N/A	1 (BPAD)	1	2 relationship separations; depression & forced sale of property
Malphurs and Cohen (2005)	20	0	0	20	all spouses or consortial relationship	8 providers, 0 recipients	20	0	3	N/A	N/A	depressed mood (n = 13)	at least 17 had atherosclerosis	65% (n = 13) experienced depressed mood; 60% (n = 12) had physical health problem(s); 40% (n = 8) were care providers to victim; 25% (n = 5) had a domestic violence history; 20% (n = 4) had a recent illness; 10% (n = 2) experienced financial stress
Shiferaw et al. (2010)	3	0	0	3	3 (2 spouses, 1 intimate partner)	N/A	N/A	N/A	1	N/A	N/A	depression (n = 2)	N/A	frustration in life; altruistic act (illness in victim); jealousy, fear of imminent separation
Verzeletti et al. (2014)	6	0	0	7	7 (5 wives, 1 daughter, 1 lover)	N/A	2	1 cattle prod, 3 ligature strangulations	N/A	N/A	N/A	N/A	N/A	4 significant illnesses, 1 morbid jealousy