Watch Preview Official Trailer | Philly D.A. 2m 35s His promise to use the power of the District Attorney’s office for sweeping reform is what got civil rights attorney Larry Krasner elected. Now, that stubborn idealism threatens to alienate those he needs to work with the most. Go inside the tumultuous first term of Philadelphia’s unapologetic D.A. and his team of outsiders as they attempt to change the criminal justice system from the inside.