. . . "The Tracking Scent is a odorless scent created by Agent Jemma Simmons designed as an alternative method to electronic tracking."@en . "*The Bridge"@en . . . . . "The Tracking Scent is a odorless scent created by Agent Jemma Simmons designed as an alternative method to electronic tracking."@en . . "Agents of S.H.I.E.L.D."@en . . . . . . "Tracking Scent"@en . . . . "Active"@en . . . . .