The mother of the two Chechnyan brothers suspected of setting off two bombs at the Boston Marathon was arrested last year for allegedly stealing $1,600 worth of clothes from an upscale department store.

Zubeidat K. Tsarnaeva, 45, was charged with two counts of malicious/wanton damage and defacement to property after allegedly swiping the merchandise from a Lord & Taylor in Natick, Mass. in June 2012....