Who determines whether an individual can act as an expert witness?

1. the prosecutor

2. the judge & jury

3. the defense attorney

4. the bailiff

Answer:The Final Judge

Explanation:The court will determine whether or not the prosecutor has laid a sufficient foundation for that witness to testify about matters within the purview of an expert witness," says Heiser. "The judge has the ultimate say." In many cases, your qualifications may be immediately apparent to the judge.