Tag nigerias former police chief

You're referring to the former Inspector-General of Police (IGP) of Nigeria!

The former police chief you're likely thinking of is:

1. Tafa Balogun (2002-2005): A Nigerian police officer who served as the Inspector-General of Police from 2002 to 2005.
2. M.D. Abubakar (2005-2006): A Nigerian police officer who served as the Inspector-General of Police from 2005 to 2006.
3. M.D. Abubakar (2006-2009): Yes, the same person served as IGP again from 2006 to 2009.
4. Hafiz Ringim (2009-2012): A Nigerian police officer who served as the Inspector-General of Police from 2009 to 2012.
5. Mohammed Abubakar (2012-2014): A Nigerian police officer who served as the Inspector-General of Police from 2012 to 2014.
6. Suleiman Abba (2014): A Nigerian police officer who served as the Inspector-General of Police for a brief period in 2014.
7. Suleiman Abba (2014-2015): Yes, the same person served as IGP again for a brief period in 2014-2015.
8. Solomon Arase (2015-2016): A Nigerian police officer who served as the Inspector-General of Police from 2015 to 2016.
9. Ibrahim Idris (2016-2019): A Nigerian police officer who served as the Inspector-General of Police from 2016 to 2019.
10. Mohammed Adamu (2019-2021): A Nigerian police officer who served as the Inspector-General of Police from 2019 to 2021.
11. Usman Baba (2021-present): A Nigerian police officer who has been serving as the Inspector-General of Police since 2021.

Please note that this list might not be exhaustive, as there may be other former police chiefs not mentioned here.