August 29, 2018 4:57 pm ‘Security Mom': Juliette Kayyem Taks About Zemcar and Safety Juliette Kayyem, CEO of Zemcar, shares her thoughts about the future of the ride sharing company that she leads. US & World Videos 3:41 Cool air to linger over Boston into the weekend 2:28 Karen Read trial continues, jurors visit crime scene 2:44 Karen Read trial Day 4: Jurors to visit crime scene 1:30 Bruins lose Game 6 in Toronto 4:28 State Department apologizes to family of man imprisoned last year in Turks and Caicos