YORK, Pa. (WHTM) — Following last week’s events leading to the death of two young girls, York County District Attorney Dave Sunday addressed the public in relation to the Robert Vicosa murder-suicide.

Aaminah and Giana Vicosa were killed on Thursday after a multi-day search for them and their father, who police say kidnapped the girls from York County.

Now some are raising questions about whether their deaths could have been prevented. Sunday is aiming to answer those questions by reviewing the case.

“This was a selfish and senseless act of violence that has shaken each and everyone of us to the core,” Sunday said. “We have a duty to take a deep dive into the entire situation in an effort to identify areas where we can minimize the probability of an outcome like this in the future.”

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He’s also addressing one of the larger problems at the center of the case. Sunday announced he is forming a committee to review how they enforce protection from abuse orders and other laws aimed at helping domestic violence victims.

“At its origins this horrific chain of events began as domestic violence,” Sunday said. “We must vehemently and aggressively attack the scourge of domestic violence, which is way too prevalent within our community.”

Sunday also said someone filed a criminal complaint against the chief of the York Area Regional Police Department in connection with a protection from abuse order in this case. The state attorney general will be reviewing that complaint.

“On even the very best of days and circumstances, law enforcement can not prevent every instance of evil or thwart every plan,” Sunday said.

You can watch the press conference in full below: