Killings adjectives are listed in this post. Each word below can often be found in front of the noun killings in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing KILLINGS.
brutal, extrajudicial, honor, indiscriminate
judicial, many, mass, more
other, political, random, recent
related, revenge, sectarian, senseless
serial, such, targeted
Hope this word list had the adjective used with killings you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.