A 5-year-old girl was killed Thursday evening after a suspected kidnapper crashed his vehicle into a retention pond following a high-speed police chase in Jacksonville, Florida, according to police. Christian Hancock of the Jacksonville Sheriff’s Office said during a press briefing that the girl and the suspect are known to each other, but the exact nature of their relationship is unknown. Hancock said police got word of a reported kidnapping involving a suspect armed with a knife at about 8:00 p.m. on Thursday. A patrol officer later spotted the vehicle and approached for a check-up, at which time the driver fled and a pursuit began. “As the officer turned to approach the vehicle from behind, the suspect sped off, obviously seeing the officer, and a pursuit began at that point as we were responding to a kidnapping in progress with an armed suspect,” Hancock said. The chase lasted for approximately …