ALICE is a multipurpose detector at the LHC with a focus on measuring heavy-ion collisions. 
The incentive of the physics program is to understand the properties of QCD matter at
extreme temperatures and densities. 
One way to study this new form of matter is to measure hard probes that traverse it in the early 
stage of its formation. These are high transverse momentum objects that interact with the medium
via elastic and collisional energy loss.
I will specifically talk about fully reconstructed jets in the ALICE detector in pp, pPb and PbPb collisions.
The modification the jet production undergoes in terms of yield and their shape can give information 
on the properties of the QCD medium that need to be extracted with help of sophisticated theoretical models. 
I will present the latest results of R_AA measurements of jets produced at 5TeV collisions and their comparison to theory.