California, the state with arguably the toughest gun control laws in the country, often struggles to enforce those laws. A new investigation from CalMatters finds that the state has failed to take guns away from thousands of domestic abusers, and those failures can have deadly consequences. Reporter: Robert Lewis, CalMatters  California has distributed rent relief to less than a third of the 400,000 thousand people who have applied to its assistance program. As the eviction moratorium came to a close this fall, the state encouraged anyone who had outstanding rent payments to apply for rental assistance to stave off eviction. Reporter: Kate Wolffe, KQED The Biden administration has announced plans to reinstate the controversial “Remain in Mexico” program along the border this week, which was first implemented by the Trump administration.  Under the program, asylum seekers must wait in Mexico, sometimes for months, before they can cross into the U.S. for their day in court.  Reporter: Max Rivlin-Nadler University of California scientists have found that sea level rise could flood over 400 hazardous sites across the state by the end of the century. Scientists identified power plants, refineries, and hazardous waste sites in shoreline cities like Oakland and East Palo Alto, and across the state. Reporter: Ezra David Romero, KQED Learn more about your ad choices. Visit megaphone.fm/adchoices