[romanesq]

“Homicide means not suicide, yes?”

Si Gator. Sadly, there’s people who have some need to make crap up.
They never disappoint either.

You can’t “homicide” yourself.

[SteveH]

Legally suicide is a form of homicide:

https://dictionary.law.com/default.aspx?selected=881

“Suicide is a homicide, but in most cases there is no one to prosecute if the suicide is ...”

[KevinB]

“Homicide means not suicide, yes?” Si Gator. Sadly, there’s people who have some need to make crap up. They never disappoint either. You can’t “homicide” yourself.

According to this, a suicide is actually a homicide. That said, the usual interpretation is that it's a killing of one by another and I doubt the coroner would have used it in any other context.