Amy Winehouse will be questioned next week by police probing an alleged £200,000 plot to fix her husband's assault trial.
She will be asked about accusations she knew of a plan to derail the case against Blake Fielder-Civil.
Yesterday the Mirror revealed the music video assistant was arrested on Thursday in front of tearful singer Amy, 24, after our tip off.
Items seized included mobile phone accounts, banking details and computer software.
Amy will be treated as a witness but police sources say she could face arrest "depending on what was discovered".
Fielder-Civil, 25, and pal Michael Brown, 39, had been due to stand trial on Monday charged with GBH on barman James King, 36. But the pair are alleged to have offered him £200,000 plus £10,000 costs to change his story and go to Spain until the case collapsed.
Last night King, 36, handed himself to police in Derbyshire and was arrested. Brown has also contacted officers. The alleged conspiracy emerged after two men named Ant and Jay contacted the Mirror claiming they had CCTV footage of the attack on King.