SHENANDOAH, TX --Authorities are looking for a suspect wanted in two convenience store robberies this week. Shenandoah police say on January 16, just before 10:30pm, the Texaco Gas Station Convenience Store located at 28677 I-45 North in Shenandoah was robbed by two armed men. Then, just after 3:00am on Monday, the Shell Gas Station Convenience Store at Many Pines and Woodlands Parkway in The Woodlands was robbed by the same set of suspects. A subsequent robbery of an Exxon station located at 710 Sawdust Road, by one of the two armed suspects, at 8:30am Monday lead to the arrest of one of the suspects. Justin James Washington, 24, of Spring, was stopped by Montgomery County deputies after he was seen driving a vehicle matching the description provided by the Exxon store clerk shortly after the robbery. A search of the vehicle lead to the discovery of cash and a handgun. Washington was identified as the single suspect in the Chevron robbery and part of the pair that robbed the Texaco in Shenandoah and Shell on Woodlands Parkway. A confession obtained by Shenandoah police confirmed Washington's involvement. The second suspect is still being sought. He is described as a Hispanic male, approximately 6 feet tall, 225 lbs, in his late 20s last seen wearing a designer gray hoody sweatshirt with dark-colored graphics and gray pants. The suspect has stars tattooed in the webbing of his left hand and an unidentified tattoo on his upper right forearm. He is believed to be armed with a hammer or small machete that was used during the aggravated robbery of the Shenandoah Texaco Station. If you have information concerning the identity of this suspect or information related to these robberies, please contact the Shenandoah Police Department at 281-367-8952. If you wish to remain anonymous, please call Montgomery County Crime Stoppers at 800-392-7867 or visit the website at www.montgomerycountycrimestoppers.org.