You need not tell a lie (1)/ when the judge asked you where you were (2)/ When the crime was committed. (3) No error. (4)

Answer

1

Explanation

Here, Past Perfect i.e. You needn.t have told a lie is the right usage. When two events have taken place in the past and ani event that occurs before another event in the past, then Past Perfect Tense is used for it.