Dylan Will Be Teaching an In-Service for a Group of Officers

Multiple Choice

Dylan will be teaching an in-service for a group of officers tomorrow to review the use-of-force continuum.  A nearby department recently had an officer fire upon an unarmed suspect, which left the community enraged.  Dylan plans to pay particular attention to those methods that are considered less lethal to avoid a similar tragedy in his department.
One participant asks Dylan about the use of thermal imaging technology.  Which case should Dylan refer to in his answer?

A) Tennessee v. Garner
B) Mapp v. Ohio
C) Gideon v. Wainwright
D) Kyllo v. United States