Maltese investigative journalist Daphne Caruana Galizia was assassinated by a car bomb this week. She was renowned for challenging corruption on the island. We hear about her work and the risks faced by investigative journalists in Malta and elsewhere - and the impact this attack may have on other reporters. We hear from people who knew Daphne - Frederik Obermaier of the worldwide Panama Papers investigation into corruption and Saviour Balzan of Malta Today.Which? magazine is celebrating 60 years of consumer journalism, but how relevant is it today, as free-to-access reviews by ordinary consumers have become such a feature of online shopping? Richard Headland, Editor in Chief of Which? and Katie Morley, the Telegraph's Consumer Affairs Editor, both join us.Crimewatch axed: Did you see it? Do you know someone who has an axe and has been behaving suspiciously? After 33 years, the BBC's long-running crimebusting evening TV series is no more, so how are police communicating and engaging with the public in the post-Crimewatch era. Nick Cloke of Dorset Police tells us.Tinder journalism: The use of online dating sites like Tinder to gather information for journalistic purposes. We hear from pioneering Tinder journalist Kevin McElwee on the ethics of engineering online encounters when you're really only after one thing - and it's not a date.Presenter: Andrea Catherwood Producer: Paul Waters.