Ted Cruz cited this research when he said most violent criminals are Democrats. Now the researchers say he’s wrong. In the wake of last week’s shooting at a Planned Parenthood facility in Colorado Springs, Colorado, Sen. Ted Cruz on Monday claimed that the “overwhelming majority of violent criminals are Democrats.†When asked for evidence, the senator’s campaign cited a paper we published in 2014, in which we present data on the party affiliation of ex-felons in three states. The paper Cruz cited is one in a series of papers in which we have combined public records – from departments of...