A British man accused of murdering his American wife and baby searched the internet for information on how to kill and commit suicide days before their deaths, newly-released court papers have alleged.

THE British man arrested over the murder of his American wife and baby daughter told police he did not kill them but found them shot dead when he returned from an errand, according to a police affidavit yesterday.

A British man was remanded in custody tonight on charges of killing his American wife and baby daughter in what detectives say may have been a failed murder-suicide bid.

Neil Entwistle, whose wife and infant daughter were found shot to death in their home, has been arrested for their murders, Emily LaGrassa, spokesman for the Middlesex District Attorney’s office in Massachusetts said today.