Spycops sent thousands of surveillance reports to MI5, inquiry documents reveal

Security Service was able to compile detailed files on members of legitimate protest groups infiltrated by undercover police officers

Thousands of surveillance reports compiled by undercover police officers who spied on political campaigners were routinely passed to MI5, documents obtained by the spycops inquiry have revealed.

Police sent undercover officers on long-term deployments to infiltrate mainly leftwing protest groups and gather enormous quantities of information about their political and personal activities.