Tracker

The Tracker was a device intended to trail the item or person it was attached to.

History
Zagreb, the capital of Croatia, was the final destination of a train chosen by

to deliver a to.

After discovering that Ian Quinn had recently purchased an unknown object develoved by Cybertek, Coulson's Team planned to board the train it was going to be transported in an undercover mission, in order to follow the package and trap Quinn.

The purpose of the mission was to attach a Tracker to the package, and the safely follow it to Quinn's location.

However, a member of the Italian authorities, Luca Russo, informed Cybertek of the team's presence inside the train, where they were attacked and forced to separate.

Leo Fitz and Skye managed to follow the package to the compound where Ian Quinn the delivering was going to take place. Before Skye entered the compound, Fitz activated the Tracker to let the rest of the team know their current location.