Source: BBC News
quote: Don't get me wrong, I hate Apple, but this is simply not Apple's problem or responsibility. If there was pressing information on the device it should be very simple to get a court order and Apple is well within their rights to ask for it. Mum left them a device, not an account.
quote: Documents, calendars, and other such things that would be useful are likely backed up on a computer or mirrored on some other service.