Manila, June 8 -- The National Bureau of Investigation (NBI) has found that allegations of cash deliveries in the flood control controversy remain unproven due to the absence of independent evidence, corroborating documents, and witnesses with personal knowledge.

During the Senate Blue Ribbon Committee's consultative meeting on Monday, NBI Director Melvin Matibag said the joint affidavit submitted by a group of former bodyguards of fugitive lawmaker Zaldy Co was insufficient to establish probable cause, noting that most of the statements were based on hearsay rather than on what the affiants personally witnessed.

"Walang dokumento, device o physical evidence na sumusuporta sa mga alegasyon. Halimbawa, walang CCTV footage, resibo o cell...