"false alibi" is correct and usable in written English.
It is a phrase that means providing an excuse for something that is not true. For example, "He provided a false alibi for his whereabouts on the night of the crime."
(Believing that she was protecting her friends, she provided the real perpetrators with a false alibi).
His brother has been arrested and used him in a false alibi.
Participants watched lab-generated videos of true and false alibi statements, provided while under varying degrees of cognitive load.
If a defence lawyer offers a witness $100 for a false alibi, he is guilty of bribery.
The "false alibi" claim that the prosecution had used to support their two witnesses had now been "significantly undermined".
Is the fact that the child's mother so foolishly gave a false alibi to a murderer irredeemably repulsive?
The 61-year-old peer was convicted on two counts of perjury and two of perversion of justice for creating false alibis and forging diaries in a 1987 trial in which he denied knowing a prostitute he had paid $3,500.
Hadler's parents, who have discovered that Falk and their son gave each other false alibis for the day of Ellie's death, persuade him to stay and investigate, and he finds himself trying to untangle two crimes that occurred 20 years apart.
Listeners flooded onto Twitter and Facebook to support her as witnesses or false alibis.
However, Mark does not know that Rebecca is the culprit and McGregor said that it is because he is thrown by the false alibis.
Months ago during the Republican primaries, the Romney team, including the candidate himself, began conjuring up false and convoluted alibis, invoking John Kerry's 2004 example as Romney's excuse for not releasing his tax returns.
