Pictures from the scene of the shooting on Friday night showed forensic teams in white overalls examining an area of the car park, next to the pub, and carrying plastic evidence bags.
Police have also established cordons around the pub in the centre of the village of Knockholt, around five miles (8km) northwest of Sevenoaks.
A white forensic screen was placed inside the parking area while a blue tarpaulin was put up next to a blue Seat parked at the entrance to the car park.
What appears to be bullet casings have also reportedly been spotted on the ground, where numbered yellow evidence markers are also visible.
Police were called to a reported disturbance at The Three Horseshoes in the village of Knockholt near Sevenoaks just after 7pm on Friday.
