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Dallas held its first official ceremony to commemorate the assassination of President John F. Kennedy after 50 years.
One friend says Navy Yard gunman Aaron Alexis was smart and of sound mind, but another says he showed signs of paranoia. CNN's Ed Lavandera reports.
"I just don't know... I have no idea."
A friend of Aaron Alexis, the man officials have identified as the dead Navy Yard shooter, speaks to CNN's Ed Lavandera in Ft. Worth, Texas.
Police reveal new information about the movie theater shooting in the second day of James Holmes' preliminary hearing.
CNN's Ed Lavandera reports on Colorado's legalization of marijuana for recreational use.
James Holmes, the suspect in the Colorado theater shootings, had a bizarre look and a dazed expression in court.