Thomas Blood, believed to have been some sort of double-secret agent, engineered a seemingly insane plot in the only close attempt in history to steal the famous jewels from the Tower of London.

"Loaned to members of the royal family by the Irish Guards in celebration of St. Patrick’s Day, Kate first wore this shamrock brooch shortly after her wedding in 2011 and is reported to have ...

Others blamed Irish nationalists. It was even claimed that the Royal Household had staged the robbery to secure the jewels ...