According to CoinMeta, on October 19th, the attacker aztec connect made 30 transactions to deposit a total of 1,255.8 ETH into the account of tornado cash, worth approximately $3.01 million. On June 14th, the same attacker exploited a settlement verification vulnerability in an abandoned aztec connect contract to steal assets worth about $2.19 million, including 908.987 ETH as well as DAI, wstETH, and yearn treasury tokens.