sm-plugins/RadarSpotAll/scripting/RadarSpotAll.sp

#include <sourcemod>
#include <sdkhooks>
#include <zombiereloaded>

#pragma semicolon 1
#pragma newdecls required

public Plugin myinfo =
{
	name 			= "RadarSpotAll",
	author 			= "BotoX",
	description 	= "Always spot every player on the radar.",
	version 		= "1.0",
	url 			= ""
};

public void OnClientPutInServer(int client)
{
	SDKHook(client, SDKHook_PostThink, OnPostThink);
}

public void OnPostThink(int client)
{
	if(ZR_IsClientZombie(client))
	{
		SetEntProp(client, Prop_Send, "m_bSpotted", 1);
	}
}