Good plug in Hammer Drill, not cordless, with a good masonry bit. Buy a spare bit or two. Try to drill in the mortar where possible.
Looking for some advice and direction!
Dahua Starlight Varifocal Turret (IPC-HDW5231R-Z)
AFC Cable Systems 1/2 x 25 ft. Non-Metallic Liquidtight Conduit-6002-22-00 - The Home Depot
You want to know who did it, not just what happened, so don't mount cams higher than 8ft.
Use this to help decide placement and views:
IPVM Camera Calculator V3, keep PPF>100
Test all locations for suitability before drilling, make a temp test stand: 2x4, 5gal bucket, rocks or sand. test overnight.
If you think you will use that monitor much, you will wish it was higher off the floor.