An editorial references a study conducted by Wayne State University researchers finding that more than 80 percent of police chiefs favored mandatory background checks for all handgun, rifle and shotgun purchases; equipping new handguns with trigger locks; and requiring tamper-resistant serial numbers on firearms. The editorial urges politicians to \"listen to the people on the issue of gun control and gun violence, and to those on the front lines of law enforcement, not to the self-serving rants of the gun lobby.\"