A tamper alert band includes a housing, a latch, and a latch-blocking member. The latch is configured to move between at least an unsecured position and a secured position, in the unsecured position first and second housing elements are movable with respect to each other and in the secured position the latch secured the first housing element with the second housing element. The latch-blocking member is controllably moveable between at least a first position and a second position, the blocking member being moveable to the first position when the latch is in the secured position to thereafter obstruct movement of the latch to the unsecured position.