To view the status of an existing case, click the "Participated" link on the left-hand side (Fig1 - #1) then select the case you are wanting to check (Fig1 - #2).
Once the opened, you will see case notes that display who is currently assigned to the task in question (Fig 2)
Additionally, you can view the entire process map by clicking the "Information" drop-down menu and selecting "Process Map" (Fig 3).