[HarryPotter]

If player_death event doesn't work, you can try use player_hurt event and detect hitgroup

PHP Code:

#pragma semicolon 1
#pragma newdecls required
#include <sourcemod>
#include <sdktools>

#define HITGROUP_GENERIC 0
#define HITGROUP_HEAD 1
#define HITGROUP_CHEST 2
#define HITGROUP_STOMACH 3
#define HITGROUP_LEFTARM 4
#define HITGROUP_RIGHTARM 5
#define HITGROUP_LEFTLEG 6
#define HITGROUP_RIGHTLEG 7 


public Plugin myinfo =
{
    name = "[L4D & L4D2] XXX",
    author = "HarryPotter",
    description = "<->",
    version = "0.0",
    url = ""
}

public void OnPluginStart()
{
    HookEvent("player_hurt", Event_PlayerHurt, EventHookMode_Pre);    
}

public void Event_PlayerHurt(Event event, const char[] name, bool dontBroadcast) 
{
    int victim = GetClientOfUserId(event.GetInt("userid"));
    int attacker = GetClientOfUserId(event.GetInt("attacker"));    
    int dmg = event.GetInt("dmg_health");
    int eventhealth = event.GetInt("health");
    
    if (attacker == 0 || victim == 0 || !IsClientInGame(attacker) || !IsClientInGame(victim)
        || GetClientTeam(attacker) != 2 || GetClientTeam(victim) != 3 ) {
        return;
    }

    int zombieClass = GetEntProp(victim, Prop_Send, "m_zombieClass");
    int hitgroup = event.GetInt("hitgroup");
    if(zombieClass == 3 && eventhealth <= 0 ) //hunter infected player is going to die
    {
        switch (hitgroup)
        {
            case HITGROUP_HEAD:
            {
                PrintToChatAll("%N head-shot killed %N, dmg: %d", attacker, victim, dmg);
            }
        }
    }
} 


[raizo11]

Thanks Guys!