El Paso suspect allegedly cased Walmart before shooting: Police

Law enforcement officials said Patrick Crusius allegedly was looking for a good place to shoot Mexicans and returned to the store armed. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/2LZIlJf WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight