Damian Green leaving his London home yesterday after he was forced out over allegations of pornography on his computer. Tory allies have come to his defence

The retired police officer who leaked details about the pornography on Damian Green’s computer had “liked” anti-Tory posts on Facebook, The Times can reveal.

Neil Lewis, 48, who assessed Mr Green’s computers during a Commons leaks inquiry, liked a post from a campaign to remove the Conservative government as well as satirical articles containing abuse against ministers.

The disclosure came as Theresa May said that the pornography leaks must be properly investigated. Conservative MPs called for laws requiring police to keep material confidential even after leaving the service. They suggested that breaches of conduct should affect pension entitlements.

Mr Lewis and Bob Quick, the former head of counterterrorism who first confirmed the pornography find, are being criminally investigated. Cressida Dick, the commissioner of the Metropolitan