Disturbance type: unknown
Occupants: Five Member Family Unit...Father (47), Wife (45), Son (17), Daughter (14), Daughter (11)
Audible Disruption: scratching sounds, banging, walking sounds, moans, whispers in pillow, breathing
Visual Disruption: ashtray levitated briefly, shadows in the dark moving, tall black shape witnessed once in mirror of bathroom
Duration: began March. 15th, 07-present...started with scratching and progressively became worse
Structure: two story, 5 bedroom, 2 1/2 bath, 2 car garage, w/attic and basement, 1 1/2 acre lot with fenced backyard
Environment: Rural, wooded area nearby, no neighbors
Additional Notes: In a nearby area of the woods, an old stone house foundation discovered. Age unknown, but a hundred year old tree grows in the midst of it. Also, in the same area, a clearing with rod iron fence with unrelated family graveyard. 12 stones, only one legible "Balasco" no other information.
What prelinary investigative data would you require, and where would you obtain this information?