Matt Stiles

Matt Stiles covers government and politics with a focus on data journalism, and he oversees and helps develop the Tribune's library of web applications and interactives. Previously, he was a government reporter at the Houston Chronicle. While there, he won the newspaper's Jesse Award for service journalism and beat reporting and was its reporter of the year in 2007. Before joining the Chronicle, Stiles worked as a reporter for nearly four years at The Dallas Morning News.

Recent Contributions

Interactive: 30-Day Cash on Hand Reports

Texas political candidates and committees filed reports October 4 with the Texas Ethics Commission listing the total amount of cash they have to spend ahead of the Nov. 2 election. Use this table to sort through or download those records.

Interactive: Read, Watch Texas Political Ads

The Tribune has posted more than 70 campaign spots in the 'Ads Infinitum' blog. Use this interactive to filter them by political party, candidate and election type, and click the ads' title to watch it and read a transcript.

Interactive: 30-Day Campaign Finance Reports

On October 4, candidates in Texas political races filed reports itemizing how they financed their campaigns from July 1 to Sept. 23. The data show each candidate's totals for fundraising, spending, loans and, perhaps most important, cash left to spend.

Wealthier, More-Conservative Texans Have Gun Permits

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When the state's concealed handgun statute was approved 15 years ago, lawmakers argued it would help citizens defend themselves — but residents of low-income, largely Democratic nieghborhoods aren't applying for gun permits as often as those in wealthier, more-conservative areas, according to a Texas Tribune/San Antonio Express-News analysis.

Did Worries About Obama Spark CHL Applications?

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In the two years since Barack Obama was elected president, many Texas gun owners — afraid of losing their Second Amendment rights — have stocked up on weapons and ammo. Texans have also sought a record number of concealed handgun licenses. Coincidence?

Interactive: Concealed Handgun Licenses By County

The Tribune analyzed Texas Department of Public Safety data on concealed handgun license issuance during 2009, creating thematic maps that show a county-by-county breakdown of the total number of licenses issued and the per-capita rate. The latter figure is a more accurate measure for the proportion of residents who received licenses. Darker colors represent higher totals and rates.

Video: Bexar County Concealed Gun Licenses

In a pattern that's playing out in San Antonio and other major metro areas in Texas, residents in low-income neighborhoods aren't taking advantage of the state's concealed-carry law as often as residents living in wealthier, more conservative areas.

Use App to Explore Texas Prisons, Find Inmates

Find records on each of the more than 160,000 inmates in Texas prisons, including their names, crimes, hometowns, height, weight and gender, the counties in which they were convicted and their sentencing dates.

Texas Legislature Filing More Bills Than Ever

Legislative filings increased in the Texas House and Senate by 70 percent from 1991 to 2009, records show, and the number of bills and resolutions passed by both chambers climbed at a higher rate. Resolutions alone numbered about 4,000 last session, or more than half of all legislation. Explore our interactive graphics.

Interactive: Texas Legislation History

This interactive chart visualizes the roughly 90,000 bills and resolutions introduced by members of the Texas House and Texas Senate since 1991. Click through the tabs to see visualizations of legislation that introduced, passed by both chambers or vetoed by governors Ann Richards, George W. Bush and Rick Perry. The colors in the charts represents the various types of legislation.

TxDOT Names 100 Most Congested Roads

Traffic congestion on Interstate 35 in Austin. The freeway through central Austin is among the state's most congested road segments, according to a TxDOT study.
Traffic congestion on Interstate 35 in Austin. The freeway through central Austin is among the state's most congested road segments, according to a TxDOT study.

A new Texas Department of Transportation study names Texas' 100 most congested roadways, which are heavily concentrated in Houston and the Dallas Metroplex; Bexar is the only one of the big five counties without a top-10 trouble spot. Policymakers hope the study will focus the public and lawmakers on the state's problem areas.

Data: Texas' Most Congested Roads

The Texas Department of Transportation ranked Texas' 100 most-congested roads using traffic data collected during 2009. Use this table to sort through those records.

Interactive: Gov. Perry's Regent Donors

Texas governors in both political parties over the years have appointed university regents who also were generous political donors. Gov. Rick Perry, who took office in December 2000, is no different. More than half the people he's selected to lead the state's public universities have contributed to his political campaigns — some more generously than others. Use this interactive table to explore those donations.