The investigation in the Rose Valley Ponzi scam which has now lurched into sex scandal turf has tumbled into the hotbed of politics, with sources saying that the ruling Trinamool Congress may raise the matter in Parliament. The ruling party of Bengal has had two of its lawmakers arrested by the Enforcement Directorate. Now the agency's embarrassment over a video footage purportedly showing one of its officers checking into a Delhi hotel with the estranged wife of the prime accused Gautam Kundu, has provided it with a shot in the arm.