Sergeant De Lacy Davis graduated from Drew University in Madison, New Jersey with a Bachelor of Arts degree in English. He completed his Masters of Administrative Science degree at Fairleigh Dickinson University with a 4.0 grade point average in 2002. He joined the East Orange Police Department in 1986. He is an instructor at the Essex County Police Academy and a New Jersey State-Certified firearms instructor. He has served as the Vice President of the Police Benevolent Association, Local #16, and the executive director of the East Orange Police Athletic League.  Sergeant De Lacy Davis is the author of “Black Cops Against Police Brutality: A Crisis Action Plan.”

According to the book description of Black Cops Against Police Brutality: A Crisis Action Plan, “Sergeant De Lacy Davis gives a powerful presentation to audiences of all ages about police violence, misconduct and abuse. His direct in your face, keeping it real style demands that the audience stop, look, listen and learn how to respond to brutal police officers. Oppressed communities all over the United States are clamoring to bring Sgt. Davis' message to the people.

The book has received rave reviews in The Ave Magazine, on Atlanta's WOAK (1380 AM) Lorraine Jock-White Show, Philadelphia's (WURDFM) Bill Anderson Show. It was the "Book of the Month" on New Haven, Connecticut hip-hop radio station WYBC 94.3 F.M.  The book is a how-to book, which addresses leadership; deescalating with a brutal police officer; problem solving; goal setting and strategic tools to use to get justice. This is a must have book according to Dick Gregory, Martin Luther King III, and Tyrone Powers, Ph.D.”