You are right that sales representatives earn fat commissions for selling extended warranty plans. In most cases these are over priced and offer very limited protection. IMO if you suspect possible identity theft, you must lodge a complaint with the police.
Check the following links for further guidance.
"http://ag.ca.gov/idtheft/tips.php"
"http://www.usdoj.gov/criminal/fraud/websites/idtheft.html#whatifvictim"