Delta Team

Delta Team is a dayshift team that works from 0630 hours (6:30AM) to 1630 hours (4:30PM). Their scheduled days off are Thursday, Friday and Saturday. The Delta Team's Watch Commander is Captain Alvin Winham and his Lieutenants are Lt. Darrell Southerland and Lt. Tom Crawford.



Captain Alvin Winham Jr. was hired with the Lawton Police Department in May 1998. At the end of 1998 he was assigned to the Lawton Police Department Canine section as a Canine Handler. In 2000 he was assigned to the Lawton Police Department Tactical Team and is the current Tact Team Commander.

Captain Alvin Winham is defensive Tactics Instructor, Firearms Instructor, Rifle Instructor and a member of the Honor Guard. Alvin Winham was promoted to the rank of Captain in May 2012. Captain Alvin Winham is the current Watch Commander of Delta Team.

Captain Winham serves as the Tact Team Commander, Fleet Manager, Department Audit Coordinator and he sits on the Accident Review Board.

Captain Winham can be reached at (580) 581-3533 or



Lieutenant Michael McCallick Jr. was hired by the department in 2007. During his career, he has worked in Patrol the majority of the time, along with serving a brief period of time in the Criminal Investigation Division as a Detective. Lt. McCallick was promoted to Lieutenant in August of 2016

Lt. McCallick can be reached at (580) 581-3225 or



Lieutenant Southerland was hired by the Lawton Police Department in 1989 and in 2002, he was promoted to Lieutenant. During his service to the department, Lt. Southerland has served as a Team Leader on the Tactical Team, responding to hostage situations, search warrants, and apprehension of homicide suspects.

Lt. Southerland has received specialized training in tactical suituations and gang prevention and awareness. In 2006, Lt. Southerland was chosen to lead the Gang Task Force and in 2012 he received a Lifetime Achievement Award from the Oklahoma Gang Investigators Association. He also received the departments Meritorious Conduct Award in 2009.

Lt. Southerland can be reached at (580) 580-3225 or