Watching The Billion Dollar Art Hunt (BBC iPlayer) is a hugely frustrating way to spend an hour. At the end of an IKEA assembly puzzle of equal length, you have a piece of furniture. At the end of this documentary, all you have are the same questions that were posed at the beginning: Where are the bloody paintings, and who took them? The show, led by veteran art journalist, John Wilson, examines the case of the most spectacular art heist in history: the theft of fourteen pictures from the Isabella Steward Gardner Museum, in Boston, in 1990. Estimates are that the paintings are now worth nearly a billion dollars. Of course, these are sensationalised prices. The major paintings were cut from their frames, and probably rolled, possibly even folded. The prints and watercolours may have fared better, but the major paintings are damaged goods and have probably not been looked after in the intervening thirty years. The circumstances of the robbery are well-documented, so I am not ...