Nos. 18-1993, 18-2165, 18-2177, 19-1026.

6 F.4th 63 (2021)

UNITED STATES of America, Appellee, v. Herzzon SANDOVAL, a/k/a Casper, Defendant, Appellant. United States of America, Appellee, v. Edwin Guzman, a/k/a Playa, Defendant, Appellant. United States of America, Appellee, v. Erick Argueta Larios, a/k/a Lobo, Defendant, Appellant. United States of America, Appellee, v. Cesar Martinez, a/k/a Cheche, Defendant, Appellant.

United States Court of Appeals, First Circuit.

July 7, 2021.

Attorney(s) appearing for the Case

Madeleine K. Rodriguez , with whom Martin F. Murphy , Christian A. Garcia , and Foley Hoag LLP were on brief, for appellant Herzzon Sandoval.

Michael R. Schneider , with whom Good Schneider Cormier & Fried was on brief, for appellant Edwin Guzman.

Thomas J. Iovieno on brief for appellant Erick Argueta Larios.

Stephen Paul Maidman for appellant Cesar Martinez.

Mark T. Quinlivan , Assistant United States Attorney, with whom Andrew E. Lelling , United States Attorney, was on brief, for appellee.

Before Lynch, Selya, and Barron, Circuit Judges.

In these consolidated appeals, Herzzon Sandoval, Edwin Guzman, Erick Argueta Larios, and Cesar Martinez challenge their federal convictions and sentences, which stem from a wide-ranging federal criminal investigation into La Mara Salvatrucha ("MS-13") in Massachusetts. We affirm.


MS-13 is a transnational...


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