Son of Kenneth and Cammie Carter, Lassiter attended American Christian Academy in Tuscaloosa, AL where he recorded 210 tackles, ten interceptions, and four forced fumbles. In addition, Lassiter played wide receiver as well totaling 2,488 yards, and 35 touchdowns A four-star recruit, Lassiter committed to play at the University of Georgia over the likes of Auburn, Clemson and Georgia Tech.

As a true freshman in Lassiter played in all 15 games, in which he tallied 11 tackles and one interception. Entering the 2022 season, Lassiter's exceeded expectations after making his first career start in the season opener vs Oregon.

Beyond football Lassiter is a strong advocate for educational equality and the importance of excellence on and off the field. During the off season Lassiter mentor’s youth in his hometown and offers free training sessions.