Hopefully this is the last time I will have to write about this situation. After my initial mouse encounter, I called the landlord who called the exterminator people who were able to come out that very day. A very nice man named Bobby walked all around and assessed the situation and said that he thought they were coming in from the floorboard crack (that the cat was still intently watching).
Bobby set some poison in these special locked-box things so the mice could sneak in and get it but the cat could not. After explaining in graphic detail how the poison works to dehydrate the mice, and how I may have deranged, dehydrated, confused mice wandering around my apartment in search of water while in the process of dying, he suggested that I called my apartment manager and ask to have the baseboard sealed.
So I called my apartment manager and thanked him for getting Bobby the pest control guy to my apartment so quickly, and informed him of the suggestion to fix the baseboard. I was told that they'd get the maintenance folks out there as soon as possible.
So, in the meantime, I went to trivia night at Hooligan's and came back a few hours later. When I returned, I discovered that my cat is very good at math. She somehow measured and found what was pretty much the exact geometric center of my apartment. And what did she use to mark this geometric center? You guessed it! A dead mouse! I am certain that this mouse was not the same mouse from the night before, as the first mouse was a wee little baby mouse, and the now-dead-center-marking mouse was a full grown (probably) momma mouse.
It was also quite apparent that in the 24 or so hours since the first mouse incident that my cat had evolved as a huntress and had beat the crap out of this second, larger mouse. She may or may not have been aided as the mouse may or may not have already been deranged/disoriented from possibly already consuming the mouse poison. But I'll still give the cat credit for the kill as the mouse had some puncture wounds and looked as if a few bones were slightly out of place. And the cat still continued to paw at the now-lifeless mouse body as I walked on my tippy-toes and tried to figure out what to do with the mouse.
I wanted to pick up the mouse somehow and put it in a plastic bag for disposal. I didn't want to sacrifice any of my cooking utensils so I thought for a minute... what could I use? Chop sticks came to mind, I had a few extra pairs from my last visit to Noodles, but then I'd be down a pair of chop sticks. What else? Digging through a kitchen drawer turned up a plastic fork from a past carry-out. The mouse was shoveled into the plastic shopping bag, the fork was tossed in after it, the bag was tied in about 30 knots and taken swiftly down the stairs, out the door and into the dumpster.
I came back inside and washed my hands for about 15 minutes. ICK.
The next day maintenance visited my apartment and sealed what we think were the problematic cracks in the floor/wall. At least, I think they got them all because there haven't been any crumbs of the mouse poison near the poison box things. Also my cat hasn't killed any more mice (a pretty good sign).
So now I'm breathing (and sleeping!) easier. Special thanks to Shoreline for their prompt response to the situation. In 1.5 days I had mouse bait put down and all of the holes sealed. Not a bad response time!