Shown at Kagawa pref. police headquarters … Kinak0 (C) was appointed with her daughters as a special member of the prefectural police’s education team. She worked as a police dog for two years…having previously failed the test for 6 years running.
Back in January 2011 the Japan Times explained the-rest-of-the-story as, …Kinak0 gained popularity for her persistence, despite continually failing due to making mistakes such as falling head-first while trying to jump over obstacles. In her 7th try in Nov.  she finally passed…
—The Japan Times | 2011/01/07:
Doggedness pays off; cops swear in their Lab