The case of Utah V. Leggett is cited by Jim's lawyer Ward. The judge then states that the case referred to an attack by Comanches against Leggett. But the Comanche Nation was never located in Utah. The Comanche Nation coincided western Texas, eastern New Mexico, western Oklahoma, southwestern Kansas, and southeastern Colorado. So an attack by Comanches against a Utah resident resulting in said Utah resident being brought to court by the State Of Utah could never have occurred.
As Rockford and Coop are pulling up to Nodzak's place, they're discussing the situation. Coop's stating "I thought Mac Amodeus lived in a garage" as the car was coming to a stop, but his lips weren't moving.