Anti-terror assessor David Anderson has said it is a concern that two terror suspects have absconded.
Speaking to the Home Affairs Committee, the UK Independent Reviewer of Terrorism called Tpims a slightly unhappy compromise.
Tpims, or Terrorism Prevention and Investigation Measures, were introduced last year to monitor terror suspects.
More top news
The widow of an Islamic State leader has been charged with conspiracy in the death of US hostage Kayla Mueller.
David Cameron's mother has apparently signed a petition against spending cuts in his constituency.
Terry Wogan was turned down for a job at the BBC by Sir David Attenborough in 1965, recently unearthed letters reveal.