Retirement system regulation charging buyback interest from date of service purchased is valid interpretation of silent statute.
Defendant convicted and sentenced after Crime Bill reduced mandatory drug-trafficking minimums applies amendment retroactively to crimes committed before effective date.
Wage Act does not preempt common-law breach of contract and quantum meruit claims for unpaid wages; employees may pursue six-year contract remedy when three-year statutory claim is time-barred.
Federal Arbitration Act preempts state law prohibiting arbitration of consumer protection claims when underlying financial services contract involves interstate commerce.
First-degree murder conviction affirmed. Statements properly admitted despite claims of involuntary waiver; Miranda and Rosario waivers were knowing and voluntary.
Issue preclusion bars relitigation of a federal court's determination that plaintiff was not entitled to a one-year prison sentence, even against a different defendant in state court.
Massachusetts wiretap statute authorizes interception of cellular telephone calls and text messages despite not being amended since 1968.
Mutual mistake doctrine requires prior expressed agreement between parties; silent assumptions by insured about coverage unsupported by communication to agent do not warrant policy reformation.
Duplicative firearm convictions must be vacated under double jeopardy principles, but sentencing judge has discretion to choose which conviction when lesser included offense carries higher penalty.
Police commissioner's statutory power to assign and transfer officers is nondelegable and cannot be delegated to arbitration even with employer consent.