A policewoman and a married officer have been sacked over their secret on-duty sex fling - after top brass used GPS to track their squad cars to her home address.
Zoe Phillips, 32, performed oral sex on Andrew Perry, 35, in a force vehicle but they were rumbled by their own police cars.
Mother-of-one PC Phillips also sent him sexy selfies and the two officers met up at her home when they were supposed to be on duty.
The former PCs got together for a string of secret trysts but were snared after an anonymous tip-off to the force.
A misconduct hearing was told an investigation was launched and senior officers tracked the GPS history of officers' squad cars to prove they had been meeting up on duty.
Traffic specialist Perry and schools liaison officer Phillips worked for Gwent Police but resigned when the affair came to light.
Zoe Phillips, 32, pictured, sent Andrew Perry, 35, sexy selfies and the two officers met up at her home when they were supposed to be on duty
Panel chair, Christopher McKay slammed the pair for their 'deplorable' behaviour and said that their actions had 'undermined public confidence in the police force'
Father-of-three Perry, whose wife is still a police officer with the force, confessed to 'heavy petting' between the pair and receiving oral sex.
The hearing was told the pair would separately drive their cars to remote areas so they could meet when they were supposed to be on duty.
The pair have been barred from the force after the panel ruled their actions amounted to gross misconduct.
But the panel said Perry and Phillips - named only as Mr A and Ms B in the hearing - would have been dismissed if they had not quit.
Panel chair, Christopher McKay slammed the pair for their 'deplorable' behaviour and said that their actions had 'undermined public confidence in the police force'.
He added: 'All the contact Mr A had with Ms B was during working hours when he was on duty and this was to the detriment of Gwent Police and the public.
'The fact he was with Ms B in remote locations is likely to