New Delhi, July 13 -- The alleged mastermind behind the €88m (£75m) Louvre museum in Paris last October was disappointed by the haul and thought "they could have taken more," two men suspected of the heist reportedly told investigators.

The thieves, locally known as Abdoulaye N and Ghelamallah A, claimed they had broken into the Louvre's Apollo gallery on the orders of a client, according to the French newspaper Le Monde, citing transcripts of questioning. They refused to name the client out of fear for their families.

During the burglary, which made global headlines and led to the museum's director resigning, the thieves seized eight pieces of jewellery, including tiaras, a brooch, necklaces and earrings.

However, during th...