A former Trump campaign aide spent much of Monday promising to defy a subpoena from special counsel Robert Mueller, even throwing down the challenge to “arrest me,” then backed off his defiance by saying he would probably cooperate in the end.

In an interview with the Associated Press, Sam Nunberg said he was angry over Mueller’s request to have him appear in front of a grand jury and turn over thousands of emails and other communications with other ex-officials, among them his mentor Roger Stone. But he predicted that, in the end, he’d find a way to comply.