fnGetRandomZombie() {
    new Players[32];
    new playerCount, i, player;
    get_players(Players, playerCount, "ace", "TERRORISTS");
    for (i=0; i<playerCount; i++) {
        if (g_isalive[Players[i]] && g_zombie[Players[i]] && !g_nemesis[Players[i]])
            return Players[i];
    }

    new AliveID = random_num(0, i);

    if (g_isalive[AliveID] && g_zombie[AliveID] && !g_nemesis[AliveID])
        return AliveID;
    else
        return -1;
}