Here are two sentences:

Law enforcement sources who spoke on condition of anonymity confirmed that Limbaugh was being investigated by the Palm Beach County , Fla . , state attorney 's office .

Law enforcement officials confirmed that Limbaugh was being investigated by the Palm Beach County , Fla . , state attorney 's office .
Choose your answer: are the two sentences saying the same thing?
Options are:
a). no
b). yes
b).