Diana Czugler of the law firm Peters & Peters LLP looked into whether alternative measures could be invoked as a way to challenge EAWs. Member States have other less disruptive tools to investigate alleged offences and prosecute suspects, such as the European Supervision Order (ESO), which allows them to ask another Member State to supervise a person in that country, rather than sending the person back to the requesting Member State to be held in pre-trial detention. Another available alternative measure is the European Investigation Order (EIO), which enables one Member State to seek evidence which is located in another Member State. Read more.