Detective Constable Dariusz Alexander, 49, had to be told three times to stop touching himself when the officers spotted him with his trousers down at the north London beauty spot, prosecutors said.
Detective Constable Dariusz Alexander, 48, was spotted by fellow officers who were shocked to see a senior colleague with his trousers down at the north London beauty spot on March 18.
Serving Metropolitan Police detective Dariusz Alexander was caught by a colleague allegedly committing an indecent act in a London public park, a court has heard.