The rampage lasted for only one to two minutes before the gunman shot himself dead as officers arrived, according to police. The policy meant staff were unable to easily dial 911, or their loved ones, during the attack. 'I am heartbroken by the mass shooting at the FedEx facility here in Indianapolis and praying for all affected by this tragedy,' he wrote. Everyone has questions and mainly people just want to know if their loved ones are okay.' At the end of last month, four people, including a child, were shot dead in an office building in southern California.