The purpose of a local team is to prevent deaths related to domestic violence by: promoting cooperation and coordination among agencies involved in: investigating deaths related to domestic violence; or providing services to victims of domestic violence, abusers, or surviving family members; developing an understanding of the causes and incidence of deaths related to domestic violence in the county; and developing plans for and recommending changes within the agencies the members represent. To achieve its purpose, a local team shall: establish and implement a protocol for the local team; as provided in subsection (c) of this section, review fatalities and cases of serious physical injury related to domestic violence that have occurred in the county; meet on a regular basis as determined by the local team, at least annually, to: review the status of domestic violence fatality cases in the county; recommend actions to improve coordination of services and investigations among member agencies; and recommend actions within the member agencies to prevent deaths related to domestic violence; and provide reports that include recommendations: to improve coordination of services and investigations; to implement changes recommended by the local team within member agencies; and on needed changes to State and local law, policy, and practice to prevent deaths related to domestic violence. In accordance with paragraph (2) of this subsection, a local team shall determine the number and types of cases the team will review. A local team may review criminal cases only at the conclusion of the case in trial court or after the investigation of a suicide has been closed.