Welcome to the latest installment of the Texas watchdog journalism roundup, a showcase of investigative stories that uncover hidden facts, hold officials accountable and demonstrate why journalism matters.

Trapped between the Rio Grande and border checkpoints, Sandro Garcia Moreno is among thousands of undocumented immigrants being ripped off by unscrupulous employers. The San Antonio Express-News analyzed a database of federal wage-theft investigations and found the Rio Grande Valley is a prolific source of worker complaints. Read more …