Pfc. Naser Abdo: Fort Hood Plot Suspect

This undated photo shows Pfc. Naser Abdo in his U.S. Army uniform. He allegedly intended to follow in the footsteps of Maj. Nadal Hasan, accused in the November 2009 Fort Hood shooting rampage that killed 13.

Pfc. Naser Abdo is seen in his booking photo after his arrest by Killeen, Texas, police.

July 28, 2011: Scott Dickson of the Killeen Police Department with a poster of Abdo, 21, who was arrested Wednesday. <i>(AP)</i>

Killeen Police address the press after Abdo's arrest.

Police said that they found firearms and "items that could be identified as bomb-making components, including gunpowder" in his motel room.

Killeen Chief Police Dennis Baldwin talks with the media concerning the arrest of Abdo.

The motel where Pfc. Naser Abdo allegedly was keeping other suspicious material.

The Guns Galore store in Killeen, Texas, where Abdo bought the firearms that police say were found in his hotel room. At the time of his arrest he had weapons and a bomb inside a backpack, police say.

Abdo went AWOL from Fort Campbell in Kentucky. After being arrested, police say he admitted to planning an attack on Fort Hood.

Greg Elbert is a salesman at Guns Galore. He called police when he noticed Abdo's suspicious purchases, including 6 pounds of smokeless gunpowder, three boxes of shotgun ammunition and a magazine for a semi-automatic pistol. Elbert said be became concerned when Abdo started asking questions that indicated he did not know much about the items.