In essence homicide-suicide is seen as a subtype of suicide.
Indeed if a rescuer is doing this then they really cannot be seen as a rescuer and would need to be more correctly diagnosed as a persecutor.
Some fifteen years later he was executed by lethal injection. So he finally did complete the suicide attempt and he got the state to kill him.
These people put themselves in a position where it was highly likely they would end up killed either by their own hand or by someone else’s hand.
#4 can include ‘death by cop’, some of those on death row, associating with very violent people such as in organised crime, non compliance to medical advice with life threatening conditions, voluntarily entering a war zone.
People can use a car to act out their suicidal urges and drive at high speed into a solid object. This is then an expression of suicidal urges. However there are others who will drive such that their own and others lives are put at risk and some times people are killed. This is different as it is an expression of homicidal – suicidal urges.