There have, in fact, been thousands of custody and placement arrangements regarding pets, but I feel for this guy: He just wants his dog back. I'll recommend a lawyer to help lol. Cheers, and good night from the law offices.
The State Bar of Wisconsin has a decent sense of humor.
Many of us in Wisconsin recall following the Steven Avery saga as it unfolded. The rest of the nation -- and world, for that matter -- learned about it by tuning into the fascinating "Making A Murderer" on Netflix. Here's a podcast that's worth a listen, involving an attorney involved with the case and one of the primary journalists, so download SoundCloud (if you don't already have it) and check...