$2,500 debt preceded deadly shooting at Citi Tampa campus; new video shows attack unfold: Sheriff

A $2,500 delinquent debt, a threat made hours before the shooting and a heavily armed man appearing at Citi's Tampa campus.Investigators are now revealing what they say led up to the deadly shooting that sent thousands of employees running for safety.Hillsborough County Sheriff Chad Chronister gave the most detailed account yet of the attack during a news conference Thursday, identifying both the suspected gunman and the woman who was killed.Authorities identified the suspect as 35-year-old Jacob Pearson of Orlando. The sheriff said Pearson was married, had a 7-year-old child and had no criminal record.The victim was identified as 41-year-old Leanne Selman of Palm Harbor. Citi said Selman had worked for the company for nine years. She was described as a valued and beloved employee who worked in human resources as a learning advisor. New video shown during the sheriff's news conference also provided a closer look at how quickly the shooting unfolded and how employees responded when gunf