Someone will be prosecuted for the murder of Olof Palme before the summer - or the investigation will be closed, states prosecutor Krister Petersson for SVT's Week's crime on Tuesday:

- I am positive to be able to present what happened about the murder and who is responsible for it.

Within five months, the prosecutor shall give notice on the prosecution question. Petersson reveals he has "very interesting tracks" and that he has come closer to a solution.

It was 34 years since the prime minister was shot dead in central Stockholm.