Wikipedia: Thomas Sweatt

BATF: DC Area Serial Arsonist

The Washington Post: An investigator recalls D.C.'s deadly serial arsonist

The New York Times: D.C.-Area Arsonist Sentenced to Life in Prison

Wallace House for Journalists: Letters From an Arsonist

Firehouse.com: ATF Releases All Fires from 2005 DC Serial Arsonist

United States DOJ: US Attorney's Office 2005 Press Release

The Washington Post: Arsonist Apologizes But Does Not Explain

WJLA: America's 'most prolific arsonist'

NBC News: D.C.-area serial arson suspect arrested

Washington City Paper: Letters From an Arsonist

United States DOJ: US Attorney's Office 2005 Press Release

Deseret News: Serial arsonist gets life in prison plus 136 years