But more than a month after President Trump touted in a primetime address that his administration had found more than 250,000 noncitizens on the voter rolls of Nevada and just three other states, those states are still asking for proof or even a complete list of the voters federal officials say should be investigated.

In the Nevada call, federal officials did more to detail how they arrived at their numbers, but their statements also undermined the broader claim that American elections are rife with noncitizen voters.