Manslaughter can absolutely be intentional; hence "voluntary manslaughter". It generally needs to be unpremeditated and without active malicious intent, but ca

Manslaughter can absolutely be intentional; hence "voluntary manslaughter". It generally needs to be unpremeditated and without active malicious intent, but can be self-defence, "in the heat of passion", etc that cause what would otherwise be a murder charge to be reduced to manslaughter.