Did you know that "infested" is well known by ANYONE who has even a minimal knowledge of history as a loaded term with "racial" overtones? I didn't. Now, one of my rent properties was infested with roaches after the worst tenants I ever had moved out. That's a fact, not a racist comment. The folks who lived there were Hispanic, as have been quite a few of the folks to whom I have rented over the years. The roaches weren't there because the folks' skin was brown, they were there because this particular couple were pigs. I looked up some info on Baltimore and it does look pretty bad; high violent crime rate, high poverty, etc. Doesn't sound like a place I would particularly wish to live. Now the Pres. may have gotten his exact stats wrong (not #1 in violent crime of murder (6th, and 3rd I think)), but still a pretty bad place. Didn't find any stats on rats, but with the number of vacant and abandoned buildings I'd be surprised if there weren't some rats running around.
I am so sick of hearing everything Pres Trump does or says being labeled racist. It is the all-purpose smear that is the response when there is no factual way to dispute a statement that holds the left up in a bad light.