meanwhile, gabby petito's neighbors remembered her with a candlelight vigil in the town of blue point, on new york's long island. her funeral is tomorrow. and this program note: tonight, "48 hours" investigates what happened to gabby petito. that's at 10:00 pacific, right here on cbs. the border crossing in del rio, texas, reopened to passenger and pedestrian traffic late today. it was closed after as many as 15,000 migrants, many of them haitian, suddenly crossed from mexico and set up camp around the u.s. side of the border bridge. the area was completely cleared friday. the deportations and i i haveerality images of white border patrol agents grabbing and shouting at the migrants drew sharp rebukes, including from black campaigns. major pieces of president biden's domestic agenda are at risk this weekend, but this time, the threat is not only from republicans opposed to his plans but from within his own democratic party. a showdown could be just hours away. christina ruffini is at the