Assertion: serial killer's victim | /r/HasProperty | spouse
Facets:
Source sentences:
text: Recent research done by Everytown for Gun Safety has found that of the mass shootings in the United States between 2009 and 2015, 57 percent included victims who were a family member, spouse, or former spouse of the shooter.
text: One "analysis of 86 female serial killers from the United States found that the victims tended to be spouses, children or the elderly".