Forensic Bodily Fluid Analysis used to sue Burger King over whopper spit incident.

A US police officer is suing Burger King over a Whopper he says a worker spat in.

Burger King sacked the worker after Forensic bodily fluid analysis was used to provide accurate DNA evidence of the employee involved.

Sheriff's Deputy Edward Bylsma said he had an "uneasy feeling" about two employees after he stopped for a meal at a branch of the fast-food chain in Washington state.

When he went to check his burger, he says he found a big gob of saliva.

Forensic DNA testing on the burger identified the saliva to one of the workers, who was later arrested. Former employee Gary Herb, 22, received a three-month jail sentence after pleading guilty to third-degree assault.

Deputy Bylsma is reported to be suing the fast-food giant for £49,000 because he says it was negligent in its selection, training and supervision of employees.

In a statement Burger King said it had "zero tolerance" for the actions taken by the former employee. Herb has since been fired.

For more information on Forensic DNA Analysis, Forensic Saliva Analysis and Forensic Bodily Fluid Analysis please visit Forensic Resources Ltd.