How easy is it to get weapons in Iraq?

This "crackdown" was telegraphed, so most of the weapons were probably already out, but, even so, this is not the action of a people worried about resupply.

The arrest came as Iraqi troops fanned out and gunmen tossed weapons on the streets or in canals with the official launch of the military crackdown in Amarah, a stronghold of al-Sadr's Mahdi Army militia and the purported center of weapons smuggling from neighboring Iran.

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