BALTIMORE — U.S. Immigration and Customs Enforcement arrested Rene Pop-Chub, 32, an illegal alien and Guatemalan citizen, April 12, in Hyattsville, Maryland, after Prince Georges County Department of Corrections failed to honor an ICE immigration detainer, releasing him back into the public. Pop is pending charges for murder, second-degree assault, and reckless endangerment. “The arrest of Rene Pop-Chub underscores the critical importance of cooperation between federal and local counterparts,” said ICE Baltimore Acting Field Office Director Nikita Baker. “When jurisdictions refuse to honor our immigration detainers, they put their own communities at risk — as was the case here, where...