Houston Mayor John Whitmire says there is no serial killer believed to be on the loose in the city after multiple bodies being found in bayous over multiple days.

Three people were wounded at a U.S. Immigration and Customs Enforcement office in Dallas, and police are searching for a sniper or multiple shooters, sources said.

Three people were critically wounded at a U.S. Immigration and Customs Enforcement office in Dallas, sources say.

The shooter was found dead on the roof of an immigration attorney's office nearby, according to the report by WFAA-TV, an ABC affiliate.