Why it matters: The development comes just one day after the arrest, as police continue their investigation into Mr McNicholl's death at his Hawthorn Drive home.
The details:
The woman, aged in her 50s, was questioned at Martlesham Police Investigation Centre
She was arrested on Saturday, 11 January
She has been released with conditions
She must return to police on 09 April
Background:
William McNicholl, known as Billy, was 63 years old
His body was discovered shortly before 18:00 on 1 January
A post-mortem revealed he died from head injuries and a single stab wound
Suffolk Constabulary's Major Investigation Team is leading the inquiry
How to help:
Contact police on 101 quoting reference 37/162/25
Submit information via the Major Incident Public Reporting Portal
Call Crimestoppers anonymously on 0800 555 111
Use the Crimestoppers online form
The bottom line: Police are still seeking information about any suspicious activity near the Hawthorn Drive address between 24 December and 1 January.
