1: Something useful - like a matching collection? (5)
2: Digs for leads in homicide of the elderly lady (5)
3: In the act an organ is brought forth (9)
4: Club with space for some money (3)
5: Greek characters suggest dawn (3)
8: Monsieur is immersed in unspecified French river (5)
9: Ball mislaid? Caned (5)
10: One final, huge Greek goddess (3)
11: Three kernels of copper-yellow grain (3)