I wouldn't worry about the tracking device or PI (which can be VERY expensive), unless you think it'll help you in the D. Your W's behavior and sneakiness speak volumes about what she's really up to. Your heart knows what's going on.
I'm sorry.
[[[bro hug]]]
Me-47,XW-43 S13,S16 M:18 BD:4-23-17 W filed:7-17-17 (5 months of in-house separation hell) W moved out:1-6-18 D granted:2-15-18 Decree signed:3-29-18