[Lazamataz]

from the Fox website:

DEVELOPING: The man in custody for carrying a backpack with “suspicious items and products” inside Arlington National Cemetery overnight is a U.S. Marine Corps reservist, military and law enforcement sources tell Fox News.

Yonathan Melaku, a Lance Corporal Marine corps reservist who lives in Virginia and who is Muslim, has been identified as the suspect in custody, Fox News has learned.

...

Law enforcement officials also told Fox News that police found five pounds of a substance labeled ammonium nitrate inside the backpack — field tests, however, came back negative. A notebook was also found containing threatening phrases like “Al Qaeda” and “Taliban rule” and “defeated coalition forces,” the officials said.

Read more: http://www.foxnews.com/us/2011/06/17/suspicious-vehicle-shuts-down-several-major-roads-near-pentagon/#ixzz1PY079SF8

[CitizenM]

Thanks, Laz.

[relee]

...backpack with “suspicious items and products...

News 4 said there was spray paint in the backpack.