they trained. >> i hate to critique but it looked like a bunch of kids running to a soccer ball in a 5-year-old game. richard matt wrote a letter to his -- >> good morning. it's friday. welcome to "new day." it is july 3rd. 6:00. john berman joins us. chris cuomo is off. law enforcement on high alert over terror attacks over the weekend. the department of homeland security and fbi alerting authorities to be extra vigilant. >> terror concerns are higher this year as terrorists have taken to social media urging to carry out attacks. we saw one sign of the security jitters at the washington navy yard. hundreds of first responders racing to the scene. we begin with coverage with cnn's boris >> reporter: good morning,