 The 46th and its predecessors had always had a Democratic tilt, but became even more Democratic after the 1990 census when it absorbed a considerably larger number of Hispanics than had previously been in the district.Sanchez won by 984 votes, and Dornan contested the election, alleging that many votes were cast by people who were not American citizens.A Congressional investigation found evidence that 624 votes were indeed cast by non-citizens.