The grandson of John Gotti, the infamous former boss of the Gambino crime family, pleaded guilty on Thursday to fraudulently collecting more than $1 million in Covid disaster relief loans, much of which he invested in cryptocurrency.

The grandson, Carmine G. Agnello Jr., 38, was arraigned on Thursday in a federal courthouse in Central Islip, Long Island, on charges of wire fraud. Mr. Agnello faces up to 30 years in prison and a fine of up to $2.2 million.