Olivia Pratt-Korbel's family cried tears or relief as Thomas Cashman was found guilty in Manchester Crown Court.
Cashman, 34, and formerly of Grenadier Drive, West Derby, was unanimously found guilty by a jury of Olivia’s murder. The drug dealer was also found guilty of the attempted murder of Joseph Nee, wounding with intent to do grievous bodily harm to Cheryl, and two counts of possession of a firearm with intent to endanger life.
He will be sentenced on Monday, April 3.