distribution center in baltimore, maryland. this is a day after two other shootings in the office complex in wisconsin and municipal center in pennsylvania that left a total of seven dead. brian todd has the latest from maryland. >> reporter: christine and dave, the shooting began outside the building and moved inside. the sheriff says the total of six people were shot. three killed. three remain hospitalized. the 26-year-old female suspect is also dead. according to law enforcement, they have not described a motive for the attack. law enforcement sources tell cnn the 26-year-old was a temporary employee of the center and disgruntl disgruntled. after she opened fire in the facility, the suspect shot herself in the head once. that did not work. she shot herself in the head a