01224nam 2200373 a 450 991070075420332120110803104856.0(CKB)5470000002411465(OCoLC)744588557(EXLCZ)99547000000241146520110803d2011 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierKnock, knock, who's there?[electronic resource] want to buy a home security system? beware of home alarm sales scams[Washington, D.C.] :Federal Trade Commission,[2011]1 online resource (4 unnumbered pages)FTC facts for consumersTitle from title screen (viewed on July 29, 2011)."March 2011."Knock, knock, who's there? Consumer protectionUnited StatesBurglar alarmsUnited StatesConsumer protectionBurglar alarmsUnited States.Federal Trade Commission.GPOGPOBOOK9910700754203321Knock, knock, who's there3447782UNINA