scientific advisory committee on the medical implications of less-lethal weapons scientific advisory committee on the medical implications of less-lethal weapons the scientific advisory committee on the medical implications of less-lethal weapons (sacmill) is an advisory non-departmental public body of the british ministry of defence set up to advise the british government in regard to the medical implications of less-lethal weapons. set up in 2009, it was previously a sub-committee of the defence scientific advisory council, known as the defence scientific advisory council sub-committee on the medical implications of less-lethal weapons (domill). it reports to the surgeon general.