10.a. tracking, trailing - as a detective would do (9) S _ E _ T _ I _ G
23.a. shares (in something) (8) _ A _ T _ K _ _
2.d. coaring, splattering, painting (7) D _ U _ I _ G
3.d. phoney, false (9) I _ S _ N _ E _ E
16.d. adjustable resistors, dimmers (9) R _ E _ _ _ A _ S