Police photog suspended for release of Tsarnaev photos

      |The CBS News Roundup: The Justice Department has placed a hold on all evidence in the George Zimmerman murder trial; the Massachusetts State Police photographer who released never-before-seen photos of Dzhokhar Tsarnaev has been suspended; this week's brutal heat wave is finally expected to ease over the weekend -- all this and more. Nick Dietz reports on the news you need to know.