Matt Stiles — Click for higher resolution staff photos

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.

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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. Full Story 
Jacob Villanueva

2010: More on Perry, White Fundraising

The major party gubernatorial candidates' 30-day campaign reports are now available online, offering political observers more detail about their fundraising from July 1 to Sept. 23. 

Full Story 
Edward A. Ornelas\The San Antonio Express-News

Crime, Guns and Money

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.

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Edward A. Ornelas/San Antonio Express-News

An Obama Gun Rush?

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?

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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. Full Story 

A Place to Shoot

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. Full Story 
Illustration by Todd Wiseman

Search: Texas Prison Inmates, Units

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.

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Illustration by Todd Wiseman/Kiet Callies

Interactive: Government Unlimited

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.

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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. Full Story 
Graphic by Matt Stiles

On the Records: Lottery Maps, Part II

Using data compiled by the Austin American-Statesman, we've produced county-by-county maps visualizing Texas Lottery sales by game type. A higher percentage of lottery revenue in Hill County counties, for example, came from Lotto sales in 2009. Many counties in West Texas, however, appear to prefer instant scratch-off tickets.

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Graphic by Google Fusion Tables

On the Records: Mapping Foreign Investment

Texas.gov, the state's clearinghouse for services like driver's license renewals and vehicle registrations, has launched a new page featuring numerous raw government data sets — including a list of foreign companies doing business here.

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