Mystery surrounds how a man found unresponsive in a Randalstown nursing home bed came to have marks on his neck.
That's what a coroner's court has heard.
56 year old Seamus McCollum, who suffered cerebral palsy, was discovered at Maine Nursing Home in September 2011.
The court heard there was a difference of opinion among experts over potential causes of the marks, which were consistent with a compression of the neck.
Coroner Joe McCrisken has set aside three days for a full inquest without a jury, at Belfast Laganside Court later this month.
O’Neill: ‘I’m sorry for attending Bobby Storey funeral during pandemic’
Stormont collapse ‘meant opportunities to prepare health service were lost’
Man killed in crash involving two vans
Visit of Wuhan tourists to Larne ‘dispelled notion Covid could be contained’
Investigation into ‘missing’ notes from key Executive meeting