article_snippet: John Sheridan was ruled to have died before fire started  on September 28.
article_snippet: John Sheridan was then overcome by thick smoke.
article_snippet: John Sheridan was then overcome by smoke .
article_snippet: On  Friday, Soriano's office said some of the 180 interviews carried out during the investigation had revealed John Sheridan had been withdrawn and acting unusually in the days before the deaths.
article_snippet: John Sheridan was described as being 'out of character', 'very upset' and with 'an attitude of resignation'.
highlights_snippet: Also said John Sheridan was 'withdrawn' and 'very upset' prior to deaths .