Washington ( CNN ) -- A new report , due Thursday , raises questions about the Transportation Security Administration 's ability to keep airports safe from terrorists . The report by the Government Accountability Office casts doubts on TSA 's ability to adequately perform its security mission , said U.S. Rep. John Mica of Florida . Mica specifically wanted the GAO to determine how effective the TSA 's behavior detection program , or SPOT ( Screening Passengers by Observation Techniques ) , has been in deterring potential acts of terrorism . Mica will unveil the results of the report at a press conference , he said . As chairman of the subcommittee on aviation after the September 11 , 2001 , terrorist attacks , Mica was instrumental in establishing the TSA . Now , he says he is a critic of its ballooning bureaucracy .
GAO report examines Transportation Security Administration 's work . Report specifically targets TSA 's behavior detection program . Report requested by congressman who helped create agency .