The iPad was covered in dark mud after five years at the bottom of England's longest river, the Thames, but it was the chip inside that helped police crack a five-year-old murder plot.

The iPad was covered in dark mud after five years at the bottom of England's longest river, the Thames, but it was the chip inside that helped police crack a five-year-old murder plot.

The iPad was covered in dark mud after five years at the bottom of England's longest river, the Thames, but it was the chip inside that helped police crack a five-year-old murder plot.

The iPad was covered in dark mud after five years at the bottom of England’s longest river, the Thames, but it was the chip inside that helped police crack a five-year-old murder plot.

The iPad was covered in dark mud after five years at the bottom of England's longest river, the Thames, but it was the chip inside that helped police crack a five-year-old murder plot.