Project Scopa is the undercover operation in which he was involved up till, it seems, 2006.

Former Toronto Police Service officer Donald Best has retweeted the tweets/photo tweets of Manning and private investigator Derrick Snowdy--the latter is the one who tweeted pages from a previously confidential intelligence report on Paolo Violi's sons. Best has also blogged about what Manning and Snowdy have revealed -- for example, see https://donaldbest.ca/leaked-police...-with-organized-crime-ndrangheta-mafia/.