Definition of "homicidal"

The current editor-in-chief, Stagyar-zil-Doggo, was a dangerously unbalanced man who took a homicidal view of contributing staff turning up in his office without pages of fresh, proofed copy, […]

1992, Douglas Adams, Mostly Harmless (The Hitchhiker's Guide to the Galaxy), page 46

An apparent deterioration in productivity during the twentieth century [in the northern Horn] has undoubtedly been linked with the enormous increase in human population brought about by a combination of improved medical facilities and the discouragement of homicidal activities.

2012, David W. Phillipson, Foundations of an African Civilisation. Aksum & the northern Horn, 1000 BC–AD 1300, Woodbridge, Suffolk: James Currey, page 9