Complex sentence: Much better results were within Daniels'grasp when his team convinced D'Angelo to testify against the Barksdale organization, however, D'Angelo's mother Brianna talked him out of this course and he ended up taking a twenty year sentence for his family.
Split into simpler sentences: Much better results were within Daniels's grasp when his team convinced D'Angelo to testify against the Barksdale organization. However, D'Angelo's mother Brianna talked him out of this course and he ended up taking a twenty-year sentence for his family.