Kennedy is known to have suffered a traumatic childhood due to his family's connections to crime. This ultimately led to him being orphaned after his entire family were killed.
 Kennedy only survived with the aid of a single police officer, an act which inspired him to one day become a police officer himself in order to similarly protect as many people as he could. Upon graduating from the police academy at the age of 21, Kennedy requested assignment to work for the Raccoon Police Department. 

new recruit in raccoon city (Re2)

After graduating from the police academy at the age of 21, Leon requested to be assigned to Raccoon City to work with the Raccoon City Police Department. In 2002, before the Russian branch of Umbrella was destroyed, Leon was sent to a small South American country . In 2004, Leon was assigned to monitor the family of newly elected President Graham. When the president's daughter, Ashley, was kidnapped, Leon's first mission under the new president was to find her. 

i was enchanted to meet you (part 1)

After graduating from the police academy at the age of 21, Leon requested to be assigned to Raccoon City to work with the Raccoon City Police Department. Following the Raccoon City incident, Claire and Leon separated. Claire continued to look for her brother Chris, while Leon looked after Sherry. Leon and Sherry were soon after apprehended by the American army. In 2002, before the destruction of the Russian branch of Umbrella, Leon was sent to a small country in south America.