It's not a power as such, Floo. It has the right, as we all do, to bring private prosecutions, and it is well-funded to do this. But it also conducts the investigations and gathers the evidence, in circumstances very different from police investigations that are carried out under caution, recorded and with the right to a lawyer, and with the decision to prosecute resting with the CPS. Indeed, when the new animal welfare act came in (much needed it was too) it was made clear by ministers that it was expected that the RSPCA would bring in most prosecutions. Now, I'm not sure because a lot of the criticism has been in right of centre media, but there are stories of innocent people facing prosecution who don't deserve it, and critics being hounded via social media, including journalists.