Special to the Advance HOUSTON — The 18th member of a trafficking cell responsible for sending hundreds of firearms to transnational criminal organizations in Mexico has been ordered to federal prison for his role in the scheme, announced U.S. Attorney Jennifer B. Lowery.Guillermo Gomez-Lazcano, 26, a Mexican national who illegally resided in Houston, pleaded guilty April 6 to being an alien in possession of a firearm, possessing a machine gun and participating in a conspiracy to possess with intent to distribute a controlled substance.On Friday, U.S. Circuit Judge Gregg Costa ordered Gomez-Lazcano to serve a total of 200 months in ...