Since treating the apartment with DE and encasing the beds I haven't gotten bitten. In the last two weeks (including this morning) I've had 3 sightings. Two juveniles and one adult at different times, unfed. So today me and my husband did some serious cleaning in search of the source of these damn bed bugs. In my previous posts, I stated how I was lost and confused because I had encased my mattress and box spring, checked my entire room, couch, wooden night stands, steam popped floors, vaccumed EVERYTHING and wiped all wooden surfaced down with alcohol wipes. And I we don't have much furniture in our apartment. After washing and drying ALL of our clothes we've been living out of plastic, zip close bags for two weeks so far.
Before I encased my mattress and box spring and pillows, the night before I did drench all of it in alcohol (a temporary but affective solution, also kills single ones well on contact) then after letting it dry, the next day my landlord put DE inside the encasements and everywhere in my apartment, couch, cabinets and drawers, and just thrown the stuff ontop of everything in my closet.
SO,
While cleaning today I grew some balls and checked my mattress and box spring, nothing, the encasements were clear.. So figured, the bed frame! Nothing in the bed frame but I vaccumed it anyway. Confused, I thought of how I learned in my "3Am tired and afraid bed bug research" that bed bugs love clutter.
.. the closets.
Took everything out after vacuuming and steam mopping my entire apartment and furniture to relay down some new DE.
FOUND TWO NESTS, one in each closet. I vaccumed them throughly then immediately threw out uneeded items in garbage bags before taking them out to the alley . then sprayed with alcohol and let dry. I'm going to recover with more DE.
I had my son who is due in August's crib mattress in one closet. I see blood stains they must've been feeding off my poor cat who sleeps in there! It's hard covered so I cleaned it with alcohol wipes and wrapped it in plastic. I'm going to put DE inside of it and in the plastic before I can get an encasement 
QUESTION: The maintainence man who is supposed to come relay over the apartment with DE gave me a bottle with a hose and spray cap called "Hot Shot Flea & Bed bug killer".. should I use this? Will it make the problem worse? PLEASE LET ME KNOW ASAP