could have been prevented because the suspect, franciso sanchez. and he was handed over to the san francisco sheriff's department to face an outstanding warrant yesterday they released a statement. homeland security said ice launched an immigration detainer on sanchez and requesting notification prior to his release so they could take custody. that was not honored. the sheriff's department let him go. in response the legal counsel ended up saying this. take a listen. >> there was no basis for us to hold him based on the city ordinance and our own policy. >> san francisco does not