During the trial, prosecutors said De Zoysa "retrieved" the 128-year old weapon from a holster under his left arm, while handcuffed to the rear, as he was being transported to Windmill Road in a police van.

Source: https://www.bbc.co.uk/news/uk-england-london-65975164?at_medium=RSS&at_campaign=KARANGA

He was taken in a police van to the custody block in Windmill Road, Croydon, but officers failed to find a gun and holster which “were probably concealed under one of his armpits”.

Source: https://www.barryanddistrictnews.co.uk/news/national/23574116.court-sees-cctv-footage-custody-sergeant-shot-dead-police-cell/?ref=rss

Maure admitted to eight of the 34 charges against him, including improperly possessing prohibited or restricted firearms, among them a loaded Baikal Viking 9 mm he frequently kept in a concealed holster on his belt.

Source: https://edmontonjournal.com/news/local-news/alberta-man-arrested-with-cache-of-automatic-weapons-explosives-sentenced-to-six-years-in-prison

When he encountered the police in the hall, he told them he had a “concealed weapon permit and a gun in a holster on his hip,” according to the report issued the following day.

Source: https://dailyutahchronicle.com/2023/01/15/hre-november-housing-incident-changes/