Ah the incompetence of the police.
If they cant be bothered to solve a crime then they won't, not matter how much of your job you do for them. My sister had the same thing when her bike was stolen in reading.
Police: "There's nothing we can do, there's no evidence to suggest it was stolen or who by"
Sister: "What about store CCTV footage?"
Police: "They don't have CCTV covering that area of the store.
Sister goes to store, demands the CCTV footage for the time period she was at the store, they tell her it's been deleted. She points out the data protection act states they have to keep it for 30 days, if they've delted the data afte rless than 2 she's going to be taking them to court for breach of DPA. About a half hour later she had the footage. Took it to the police.
Police: "Sorry there's nothing we can do for you, there's no evidence the bike was stolen."
Sis: "That's me on my bike, that's me chaining my bike, that's somebody else stealing my bike. How is that not evidence that it's been stolen?"
Police: "There's nothing we can do"
We both agree that the odds of getting the bike back were 0 to none. But it'd be nice to the police to at least try doing their jobs, or admit theres no chance of finding it rather than feeding apathetic bullshit.