() (prt) (arch) (See を) marks object of action, etc. (also adds emphasis) [EDICT]
つきとめる
(突き止める) (v1,vt) to determine (esp. a culprit or underlying cause); to pin down; to make sure; to locate; to identify; to find out; to ascertain [EDICT]
(突止める) (v1,vt) to determine (esp. a culprit or underlying cause); to pin down; to make sure; to locate; to identify; to find out; to ascertain [EDICT]
(突き留める) (v1,vt) to determine (esp. a culprit or underlying cause); to pin down; to make sure; to locate; to identify; to find out; to ascertain [EDICT]
の
() (prt) endorsing and questioning the preceding statement (sentence ending particle); lamenting reflections on the preceding statement (sentence ending particle) [EDICT]
() (prt) (1) although; when; and yet; despite this; in spite of; even though; but even so; but even then; however; nevertheless; for all that; notwithstanding that; (2) while; (3) if only; I wish; (4) I tell you; you should do; (5) in order to; (P) [EDICT]