"Never should this 14-year-old girl [have] ended up as collateral damage at a shopping plaza", Crump said during a press conference on Tuesday.
Crump said the family's legal team will announce the details of the next steps they plan to take in the coming days.
On 23 December, Valentina Orellana-Peralta was allegedly killed by a Los Angeles Police Department (LAPD) officer while shopping in a department store. Police officers were responding to reports of a suspect assaulting people at the store.
The LAPD officer fired several rounds at the suspect but a stray bullet went through the wall of a dressing room where Orellana and her mother were hiding, according to the officer's body camera footage.