Manila, Sept. 9 -- Senate President Pro Tempore Panfilo Lacson on Tuesday warned that the nearly PHP950 million casino transactions of the so-called "BGC Boys" or Bulacan Group of Contractors may point to a scheme to launder ill-gotten wealth from anomalous flood control projects.

In his privilege speech, Lacson said cash-to-chips and chips-to-cash records from at least 13 casinos showed billions of pesos in turnover under the names and aliases of Department of Public Works and Highways (DPWH) officials and contractors.

He noted that the supposed "winnings" could be fabricated by simply exchanging cash for chips, playing minimally, then cashing out to declare the money as gambling gains.

"This is not mere luck. It bears the hallmarks o...