Teen Arrested After Explosives Found in Mailbox in Maryland

<!--amp-source-stack {"hook":"the_excerpt","filter":true,"post_id":4653219,"post_type":"attachment","sources":[{"type":"core","name":"wp-includes","function":"wptexturize"},{"type":"core","name":"wp-includes","function":"convert_smilies"},{"type":"core","name":"wp-includes","function":"convert_chars"},{"type":"core","name":"wp-includes","function":"wpautop"},{"type":"core","name":"wp-includes","function":"shortcode_unautop"}]}--><p>A bomb squad robot approaches an explosive device in a Rockville neighborhood.</p>

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