Police were called to the scene at about 2 p.m. and found a man with stab wounds to is upper body, police said.
The Buddhist ceremony is meant to cleanse the home and help the souls of the men who died move on.
Nobody was hit by gunfire and the firearm was legally registered, a spokeswoman said.
The family has decided to leave their home of 12 years after a gunman or gunmen opened fire at a Halloween party, killing 3 and wounding 9 more.
They were rushed to the hospital after the crash, which happened around 9:50 Halloween night as they walked with a stroller at Los Cerritos Park.
The shot was fired from a small vehicle with more than one suspect.
“In most of the reported incidents, the suspect(s) approaches an exposed window of a residence, looks inside, makes a verbal remark(s) about the female victim’s physical appearance, then flees on foot,” police said in a release.
Vice detectives were investigating a business at 2505 East Anaheim Street at about 3:45 a.m. where they seized gambling machines and found evidence of illegal gambling, a police spokeswoman said.
Police are still searching for the suspected shooter or shooters who wounded 12 people—3 fatally—at a Tuesday night Halloween party.
“Why would somebody do something this horrific? We don’t know,” Long Beach Police Chief Robert Luna said.