to parallel criminal proceedings is discretionary. . . . A movant must carry a heavy burden to succeed in such an endeavor." Microfinancial, Inc. I Premier Holidays Internatt Inc. , 385 F.3d 72, 77 (1st Cir. 2004) (citations omitted). When a defendant facing possible criminal liability invokes his Fifth Amendment right agains

to parallel criminal proceedings is discretionary. . . . A movant must carry a heavy burden to succeed in such an endeavor." Microfinancial, Inc. I Premier Holidays Internatt Inc. , 385 F.3d 72, 77 (1st Cir. 2004) (citations omitted). When a defendant facing possible criminal liability invokes his Fifth Amendment right agains

to parallel criminal proceedings is discretionary. . . . A movant must carry a heavy burden to succeed in such an endeavor." Microfinancial, Inc. I Premier Holidays Internatt Inc. , 385 F.3d 72, 77 (1st Cir. 2004) (citations omitted). When a defendant facing possible criminal liability invokes his Fifth Amendment right agains