Trump hails prospect of testimony from ex-Cohen adviser in hush money case

Robert J Costello, scheduled to appear before New York grand jury on Monday, likely to question Trump accuser’s credibility

• Trump calls on supporters to protest as potential indictment looms

Donald Trump has cheered the news that a former adviser to Michael Cohen will testify before a Manhattan grand jury investigating the ex-president’s alleged role in hush money payments to adult film star Stormy Daniels.

Robert J Costello, a one-time legal adviser to former Trump attorney Cohen, is scheduled to appear before the grand jury on Monday, where he is expected to give testimony “attacking the credibility of Cohen’s statements”, Associated Press reported.