Co-owner of Kalamazoo bar in drink tampering investigation denies wrongdoing Updated May 05, 2021; Posted May 05, 2021 Y Bar and Bistro located at 2941 Howard St in Campus Pointe across from Western Michigan University in Kalamazoo, Michigan on Thursday, April 15, 2021. (Joel Bissell | MLive.com)Joel Bissell | MLive.com Facebook Share KALAMAZOO, MI -- The owners of a Kalamazoo bar under a police investigation over accusations of drink tampering have issued a public denial of any wrongdoing. Jon Rockwood, part-owner of Y Bar & Bistro, took aim at a woman’s recent social media post that sparked media attention and protests against the bar in a video statement released on YouTube Wednesday, May 5.