Assistant Sheriff Todd Rogers attributes it to the learning curve for the Smith & Wesson M&P9.
There have been four officer-involved shootings in Long Beach in 2015.
There have been six shootings in two days, including one Tuesday morning involving a 13-year-old girl struck by a stray bullet at a bus stop.
Five people are dead and 10 others injured, all within a week.
A Sylmar man suspected in the Sunday morning killings of three people in the San Fernando Valley was scheduled to be arraigned Wednesday on murder and attempted murder charges in separate shootings in the Pacoima area and West Hollywood.
The murders took place early Sunday morning in San Fernando, Pacoima and Sylmar.
Three people were killed and four others were injured in three separate but possibly related shootings in the San Fernando Valley early Sunday.
Seven teenagers were shot at a house party in Riverside County, it was reported Sunday.
The father of a student killed during the recent rampage near the campus of UCSB, has teamed up with victims of gun violence and their proponents to fight for stricter gun control legislation.
A childhood friend of Elliot Rodger said he was shocked when he found out the 22-year-old was the person behind the Isla Vista shooting and stabbing massacre.
Two men were killed in a car-to-car shooting Monday in Rancho Dominguez.
Authorities say they have increased patrols in Duarte and surrounding areas Monday after two Sunday shootings, including one that killed a young father.
Authorities Sunday continued to investigate three separate shootings in Compton that claimed the lives of three men.
Authorities Sunday said one person was killed and three others were wounded in a gang-related shooting in the Antelope Valley.
School shootings, like the tragedy at Sandy Hook, have had parents and students on edge.