How to delete vehicles that hackers spawn in the server without restarting the server!!!!!

[tui_ch 0]

1.I want to know how to delete vehicles that hackers spawn in the server without restarting the server,not only vehicles but some items like ammo box and some character that hackers spawn.

2.how to see players on server without looking at Maps on admin panel by script in game like a specter mode.

Thanks for every comments.