The Russians are accused of putting the nerve agent Novichok on the front door handle of former double agent Skripal in the poisoning attack on March 4.
The most glaring issue with their story is that they have not been quizzed on why traces of Novichok were found in their hotel room.
"We arrived in Salisbury and tried to walk through the town, but we lasted for only half an hour because it was covered in snow", Petrov said.
"Salisbury?" their interviewer asked.
"This is a touristic city", he said.
Many referred to the idea that the pair had travelled all the way to Salisbury just to see its cathedral.
At the same time, Boshirov said Salisbury is a tourist city and has a famous cathedral there, Salisbury Cathedral. They'd been "extremely nervous and sweating" during the interview and it's for viewers to decide whether to believe them, she said.
He is a retired military intelligence colonel who was jailed for 13 years in 2006 for passing the identities of Russian agents working in Europe to the UK.
And British journalists have been mocking the story on Twitter, highlighting the improbability of the pair's itinerary and route if they were truly tourists.
Britain has said the attack received approval "at a senior level of the Russian state", an accusation Moscow has fiercely denied.
Earlier this week, Putin appeared to make an abrupt U-turn from his government's previous assertion that the men were unknown to the Kremlin.
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Former Russian military intelligence colonel Sergei Skripal attends a hearing at the Moscow District Military Court in Moscow on August 9, 2006.
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They spoke to Russia Today in an interview slammed by the British government as "an insult to the public's intelligence".
Officers formally linked the attack on the Skripals to events in nearby Amesbury where Dawn Sturgess, 44, and her partner Charlie Rowley, 45, were exposed to the same nerve agent. Police believe the perfume bottle had been specially adapted to carry the poison.
Simonyan said the two men contacted her directly and that she had not looked for them personally.
This combination photo made available by the Metropolitan Police on September 5, 2018, shows Alexander Petrov, left, and Ruslan Boshirov.
Peskov said he hasn't yet had time to watch their interview and said he didn't know if Putin saw it.
Their second trip to Salisbury took nearly four hours on Sunday, and they stayed for about the same length of time.
British police used surveillance camera footage from airports, transit stations, and elsewhere to outline the pair's movements.
"I think they're just two guys who have been blamed for this - now they're in shock, they're scared, they don't know what to do".
"They then travelled on London public transport to Waterloo station and were in the area between approximately 6pm and 7pm". They admitted to visiting Salisbury twice, once on March 3 and again on the fourth.
The Zizzi Restaurant in Salisbury where Skripal and his daughter ate on the day they were poisoned.