Alex Pretti's parents accuse federal officials of stonewalling them and shielding his killers

Michael and Susan Pretti, parents of Alex Pretti, a 37-year-old nurse fatally shot by federal immigration agents in January, accused federal officials of stonewalling them and shielding those responsible. At a press conference in Minneapolis, they said Justice Department officials withheld basic case information. The Justice Department said family contact typically does not occur during investigations.