A Queensland father has been found guilty of three counts of manslaughter and one of grievous bodily harm after a home brew tragedy in the state's south in 2013.
William Neil Clarence Lynam had pleaded not guilty to the charges at the beginning of his trial in Toowoomba earlier this month.
![William Lynam with his son Joshua, who he accidentally poisoned in 2013.](/web/20160614102655im_/http://www.brisbanetimes.com.au/content/dam/images/g/p/i/w/y/g/image.related.articleLeadwide.620x349.gpiwbb.png/1465889367960.jpg)
He was accused of accidentally poisoning his 21-year-old son, Joel, along with Joel's friends Vincent Summers, 21, and Bryan Wilmot, 30, when he supplied them with home-made liquor in June 2013.
A Toowoomba jury retired in the early afternoon on Tuesday to consider its verdict for the 71-year-old.
It returned just before 4pm to convict him on all four counts.
Lynam's other son Joshua survived but lives with partial blindness as a result.
He is expected to be sentenced on Wednesday.
AAP