amassing evidence
blind flying
blind landing
bringing to light
casual discovery
catching
chance discovery
close inquiry
department of investigation
detective work
determination
determining
disclosure
discovery
distinguishment
espial
excavation
exhaustive study
exhumation
exposure
find
finding
finding out
hearing
hurricane tracking
indagation
interception
invention
investigation
investigative bureau
legislative investigation
legwork
locating
location
lucky strike
perception
perscrutation
probe
ranging
recognition
rediscovery
research
revelation
serendipity
sifting
sleuthing
spotting
storm tracking
strike
police investigation
police work
reception
uncovering
access
analysis
capability
detector
diagnosis
evaluation
identification
measurement
monitor
prevention
recovery
response
scan
surveillance
transfer
transmission
advection
affection
circumspection
collection
complexion
confection
connection
convection
correction
defection
direction
disaffection
disconnection
disinfection
dissection
ejection
election
erection
flexion
imperfection
infection
inflection
injection
inspection
insurrection
interconnection
interjection
intersection
introspection
objection
overprotection
perfection
predilection
preelection
projection
protection
recollection
redirection
reelection
reflection
reinspection
rejection
resurrection
section
selection