" we collected a representative sample of phones, cameras, and laptops from the SOCOs. Or, more precisely, we pried them out of their reluctant fingers by promising that everything that needed logging or signing would be logged and signed, and that the chain of custody would be maintained yea, even unto the end of days, or the first court appearance—whichever came first. "

― Ben Aaronovitch , Amongst Our Weapons (Rivers of London, #9)