Daquan Breland tells the New York Daily News that "remorseful doesn't even describe what I feel." He spoke to the newspaper at the Rikers Island jail.
Breland was arrested in Wilkes-Barre, Pa., on Friday, the same day the toddler, Antiq Hennis, was buried. He's charged with second-degree murder.
The 23-year-old suspect tells the News he never intended to hurt the toddler. He says: "I could never do that to an innocent little baby. It's not in my heart."
He offered his condolences to Antiq's family.
Authorities believe Breland's intended target was Antiq's father, Anthony Hennis, and the shooting may have been gang-related.