The Russians were seen on CCTV at four locations

Skripal home

CCTV

A36

Salisbury

Salisbury station

CCTV

CCTV

CCTV

Salisbury Cathedral

250 m

Quarter mile

Skripal home

A36

CCTV

Salisbury station

CCTV

CCTV

CCTV

Salisbury

Salisbury Cathedral

250 m

Quarter mile