Table 4.

Offender relationship with the victim, precipitating factors, use of weapons and violent antecedents.

Study	Spouse/domestic relation	Precipitating factor	Firearm	Other weapon	Prior violent convictions
Kratcoski (1990)	43 (25%) spouses; 24 (14%) relatives; 88 (50%) acquaintances; 20 (11%) strangers	152 (81%) quarrel; 10 (6%) felony; 21 (13%) other	86%	11% stabbings	N/A
Malphurs and Cohen (2005)	all spouses or consortial relationships	N/A	20	N/A	5 (25%) domestic violence history
Myers et al. (2017)	2 intimate partners; 2 family members; 17 friends/acquaintances, strangers	N/A	7	21 (8 personal weapons; 4 contact weapons/blunt objects; 8 edged weapons; 1 other weapon)	N/A
Overshott et al. (2012)	25	N/A	5 (11%)	15 sharp instruments, 12 blunt instruments	N/A
Putkonen et al. (2010)	8	N/A	2 shootings	15 stabbings	9 (36%) previous violent offending
Reutens et al. (2015)	48 (69%); 41 intimate partners; 1 couple killed disabled son	N/A	14 (20%)	stabbing (27, 39%); beating (11, 16%); strangulation; suffocation; fire; poison	8 had violent convictions
Shiferaw et al. (2010)	2 spouses, 1 intimate partner	frustration in life; altruistic act (illness in victim); jealousy, fear of imminent separation	N/A	N/A	N/A
Verzeletti et al. (2014)	5 wives, 1 daughter, 1 lover	4 significant illnesses, 1 morbid jealousy, 1 unknown	2	1 cattle prod, 3 ligature strangulations	N/A