I second this. I have interviewed a substantial number of people in London who entered the UK on someone else's passport (sometimes rented not stolen). I also n

I second this. I have interviewed a substantial number of people in London who entered the UK on someone else's passport (sometimes rented not stolen). I also noted when travelling into the UK with someone who holds a UK Biometric Residence Permit that no use was made of the biometric data: The border agent just looked at the photo and at the person the old fashioned way.