Murder-suicide is among several lines of inquiry being followed by police after a mother and her three children were found dead in a Melbourne home. A 42-year-old woman, her two daughters, aged seven and five, and her three-year-old son, were found dead inside their Tullamarine home about 12.20pm on January 14. Multiple media outlets have identified the victims as Katie Perinovic and her children Claire, Anna and Matthew. A 48-year-old man, believed to be the woman’s husband and children’s father, Tomislav Perinovic called emergency services to report the deaths. He provided an initial version of events after police arrived at the Burgess Street property and was expected to be formally interviewed by homicide detectives on Thursday night. Acting Deputy Commissioner Robert Hill acknowledged the man was a person of interest but warned against people jumping to conclusions. “We should not draw any conclusions at this point in time as to …