They have locating capability built into the phones already. Perhaps they need self destruct capability built in so one could go to their computer and locate the phone and then send a destruct signal to it that would cause it to explode and/or ignite a phosphorous fire while the thief is running away with it.
Woman says she tracked stolen iPhone to Starbucks and got thrown out - CNET
Woman says she tracked stolen iPhone to Starbucks and got thrown out - CNET