A violin made in 1941 inside the Nazi concentration camp at Dachau was found to contain a hidden note from its maker, Polish ...

Most people won’t be able to do so within 5 seconds ... The solution to this visual illusion puzzle is that the hidden letter is E; it can be identified by tracing the light-coloured balls.

One wasn’t meant for Mangione, according to the filing, while the other includes a second line not mentioned in the prosecution's letter: "We are all rooting for you! Keep your head held high." ...