Hong Kong customs seizes more than 160 diamonds worth HK$6.5 million from truck at Shenzhen border
https://www.scmp.com/news/hong-kong/law-and-crime/article/3111617/hong-kong-customs-seizes-more-160-diamonds-worth-hk65
The last sentence made me laugh.
"He was targeted for inspection because officers saw him walking on his tiptoes"
The behavior must be suspected. I wonder why the criminal thought it would be possible to carry illegal things in that obvious way.