Madeleine Suspect: 'My Life Is Ruined'
Robert Murat has told Sky News that being labelled the chief suspect in the Madeleine McCann case has "ruined his life".
Speaking exclusively to Sky, the Briton said he had been made a "scapegoat" by Portugese police.
He was detained on Monday night but released.
Officers said they did not have enough evidence to arrest him in connection with four-year-old Madeleine's disappearance.
"This has ruined my life and made my life very difficult for my family here and in Britain," Mr Murat said.
"The only way I will survive this is if they catch Madeleine's abductor."
He added: "I've been made a scapegoat for something I did not do."
Mr Murat was quizzed with two other people - a man and a woman.
He and his mother Jennifer live in a villa just 100 yards from the McCanns' holiday apartment in Praia Da Luz.
Sources told Sky News crime correspondent Martin Brunt that Mr Murat was considered a "formal suspect".
They said he was detained after he became aware he was under police surveillance. He complained and was detained.
"There was a surveillance operation on him," said Brunt.
"He became aware he was under surveillance, that a car was following him. He was so annoyed he went and complained to the local police."
Sources also told Brunt that Mr Murat claimed he had an alibi for the night Madeleine disappeared.
"His mother had told me they have a strong alibi for the night Madeleine went missing," Brunt said.
"He told police he came home at 7pm and his mother came home at 8pm. They had dinner and went to bed," Brunt said.
Police searched a water tank next to the swimming pool in the Murats' home and examined a paper shredder.
Two vehicles on the premises - a VW camper van and a hire car - were also searched.
Madeleine disappeared from her family's holiday apartment 13 days ago.
Her parents, Gerry and Kate McCann, were having dinner in a tapas bar nearby.
The pair, both doctors from Rothley in Leicestershire, have pledged to stay in the Algarve until she is returned to them.
A reward of £2.6m is being offered for information leading to Madeleine being traced.
Detectives have admitted they have no idea where she may be.
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