| | Mexico said on Saturday it had "deep concern" about armed groups that intimidate and extort migrants on the border, shortly after the ACLU and Democratic senators called for a probe into such citizen efforts to block migrants from crossing. | |
| The FBI on Saturday said it had arrested Larry Hopkins, the leader of an armed group that is stopping undocumented migrants after they cross the U.S.-Mexico border into New Mexico. | |
| Church-goers tackled a woman who held a 10-month-old baby, waved a gun and threatened to blow up the building at an Easter Sunday service in San Diego, leading to her arrest, police said. | |
| Top congressional Democrats left the door open on Sunday to the impeachment of U.S. President Donald Trump, but said they would first need to complete their own investigations into whether he obstructed justice in Special Counsel Robert Mueller's Russia probe. | |
| Vulnerable House Democrats, mindful of President Donald Trump's continued strength among Republican voters, are using caution in how they respond to the special counsel's report, which detailed Trump's efforts to thwart the investigation into Russian efforts to help him win the White House. | |
| A week-long series of events commemorating the 20th anniversary of the Columbine High School massacre culminated on Saturday with a remembrance ceremony celebrating the lives of the 13 victims slain in the rampage. | |
| Elon Musk's SpaceX suffered an anomaly in one of its Crew Dragon capsules while conducting engine tests at the Cape Canaveral Air Force Station in Florida on Saturday, the company said. | |
| A rare Sumatran tiger attacked a worker at the Topeka Zoo in Kansas on Saturday, wounding the back of her head and neck before other staff members were able to coax the animal away with food, officials said. | |
| An American service member died in a "non-combat incident" on Saturday in Ninawa Province, Iraq, the U.S.-led coalition fighting Islamic State said in a statement. | |
| Each morning for the last two decades, Frank DeAngelis has recited aloud the names of the 13 people killed at Columbine High School, where he served as principal during the 1999 massacre that marked a modern era of mass school shootings. | |
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