Sounds like a disgruntled employee. Apparently the shooter killed himself.
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Woman whose mother-in-law works in the deli just told <a href="https://twitter.com/FOX13Memphis?ref_src=twsrc%5Etfw">@FOX13 Memphis</a> on-air the Collierville Kroger shooter was "a Chinese dude that just got fired" & the manager “was shot in the face.” <a href="https://t.co/94kBo2HFPW">pic.twitter.com/94kBo2HFPW</a></p>— T. Grant Benson | (@GrantB911) <a href="https://twitter.com/GrantB911/status/1441135057473654789?ref_src=twsrc%5Etfw" >September 23, 2021</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Woman whose mother-in-law works in the deli just told <a href="https://twitter.com/FOX13Memphis?ref_src=twsrc%5Etfw">@FOX13 Memphis</a> on-air the Collierville Kroger shooter was "a Chinese dude that just got fired" & the manager “was shot in the face.” <a href="https://t.co/94kBo2HFPW">pic.twitter.com/94kBo2HFPW</a></p>— T. Grant Benson | (@GrantB911) <a href="https://twitter.com/GrantB911/status/1441135057473654789?ref_src=twsrc%5Etfw" >September 23, 2021</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>