The answer is yes, if you happen to bump into her during 1973. It's important to prevent her from having an abortion and shattering the space-time continuum. Once that job's done, you can suggest a name for your future lover and get on with finding the broken walkie-talkie that allows you to communicate with her in 2007.
Life on Mars does tend to require some suspension of disbelief.
I'm sure quite a lot of bad things went on in police stations back in the early seventies. I'm not entirely convinced, however, that this extended to Detective Chief Inspectors hiring people called "Mr Toolbox" to torture and kill suspected drug dealers on their behalf. That kind of thing would have come out in the papers sometime during the 1990s.