The average value of weekly transactions sent to the wallets of known scammers has taken a 30% hit since the start of March
Source: https://cointelegraph.com/news/despite-covid-19-scams-crypto-fraudsters-incomes-fell-30-in-march
Despite COVID-19 Scams, Crypto Fraudsters’ Incomes Fell 30% in March
April 11, 2020
CoinTelegraph