Aaron Reitz did not reveal what FBI testing found in bags taken from Lorenzo Salgado Araujo’s van after his July 7 shooting death. Other men in the van said the bags contained salt.

The proposal, which would have to be passed by the Legislature, follows a ban on cellphone use in K-12 schools approved by lawmakers last year.

The administration had offered the contract to the Burke Law Group, which has little experience in immigration.