In an exclusive interview with NBC 5 Investigates, Dallas Police Chief Renee Hall said she is offended by the treatment she has received from Dallas Mayor Eric Johnson and that she believes the mayor’s recent attacks on her leadership have become personal.

New numbers from local county elections offices show tens of thousands of absentee ballots have still not been returned in the four major DFW counties, raising questions about whether some close local races could take longer to call as counties wait for more mail ballots to arrive.

For a third and final time before the November election, with help from a company that tracks mail, NBC 5 put the U.S. Postal Service to the test to see how often mail is being delivered on time. Some voters have been telling NBC 5 they wish they could track their absentee ballots the same way.

With Election Day just a little more than a week away, the FBI’s Dallas field office is working around the clock to ensure the process is fair, and safe, for voters in North Texas.

Dallas County elections officials tell NBC 5 Investigates they have identified a voting system error after at least two voters showed up to cast ballots but were told that someone else had already voted in their name.

An NBC 5 Investigation found most Tarrant County voting locations do not meet the Centers for Disease Control and Prevention’s election guidelines, which recommend spacing voting stations at least 6 feet apart. Instead, Tarrant County voters are often forced to stand close together while voting, at a time the county’s own health director is e...

Texans cast their ballots in record numbers on the first day of early voting, even in the midst of a pandemic. Some Texas counties shattered previous records including Collin County where more than 39,000 people voted today compared to about 31,000 on the first day of early voting in 2016.

There are new absentee ballot troubles in Dallas County. Some voters report they sent their ballots, only to have the post office return them to the voter’s house and not the county elections office.

Dallas and Fort Worth are just 30 miles apart, but in a recent mail test they may as well be on opposite ends of the country, leaving one mail service expert wondering what’s going on inside one local Dallas post office.

If you look at just one recent day, in one local county, you can see a snapshot of a numbers nightmare involving hundreds of thousands of Texas COVID-19 test results the state has reported weeks or months late. NBC 5 Investigates has learned the troubles stem from a state computer system that was overdue for an upgrade when the pandemic struck....

With mounting concerns about a mail slowdown ahead of the fall election – NBC 5 Investigates teamed up with our other NBC Owned Television Stations, Telemundo, and NBCLX, mailing dozens of letters to see if they would arrive as fast as the post office promises customers.

In a major announcement, the Environmental Protection Agency has given American Airlines permission to use an antimicrobial spray that can kill coronavirus on surfaces for up to seven days.

One North Texas school district is spending $1.4 million on a cleaning company that suggested its product can protect surfaces from COVID-19 for 90 days.The EPA says no products can make that claim. So is the district giving parents a sense of security?