According to wikipedia, the following article includes a list of general references and we too attached the links. The popular site went ahead to say that readers should help to improve this article by introducing more precise citations.
Wikipedia writes as follows..
“Christopher Adebayo Alao-Akala (3 June 1950 – 12 January 2022) was a Nigerian politician and police officer. He was once the Governor of Oyo State and a candidate of the ADP in 2019 Governorship election in Oyo State.”
Early years of Adebayo Alao-Akala
The site (wikipedia) records the early years of Adebayo Alao Akala as follows “Born on 3 June 1950 at Ogbomoso , in the Ogbomoso North Local Government Area of Oyo State, Alao-Akala had his elementary school at Osupa Baptist Day School, Ogbomoso[ citation needed ] . Alao-Akala proceeded to the Kamina Barracks Middle School, 5th Battalion of Infantry in Tamale , Ghana.  He passed Staff College (Psc) 1990, Diploma in Business Administration (1998), Doctor of Civil Law (DCL) Honoris Causa, LAUTECH, Ogbomoso (2006), Doctor of Science (Political Science) Honoris Causa, Lead City University, Ibadan (2008). 
Alao-Akala was enlisted as Cadet Inspector of Police in June 1974, at the Nigeria Police College, Ikeja. He was recommended for overseas training at the Hendon Police College , in London. He has also attended the
Administrative Staff College, Topo, Badagry; the Nigeria Institute of International Affairs (NIIA), Victoria Island, Lagos; Police Staff College, Jos ; Command and Staff College, Jaji . Otunba Alao-Akala has participated as a Nigerian delegate at two INTERPOL conferences in Nice, France and in Málaga , Spain. ” says wikipedia
Police career of Alao-Akala
About police career of Alao-Akala , wikipedia writes as follows “From the position of Station Officer in the Nigeria Police, he became the Administrative Officer, Federal Operations at the Force Headquarters, Lagos. He later rose to the position of Operations Officer, FEDOPS, Lagos. He became the Personal Assistant to the Assistant Inspector-General of Police and subsequently the ADC to the Inspector-General of Police.” The site says.
“Alao-Akala held several command positions in the Police Force. He was O/C Advanced Training Wing, Police College, Ikeja ; Divisional Police Officer, Bode Thomas, Lagos; Divisional Police Officer, Iponri Police Station, Lagos; Railway Divisional Police Officer,
Nigeria Railways, Ebutte Meta , Lagos; Area Commander, Western District, Nigeria Railway Police, Ibadan; CSP Admin. Gongola State Command, Yola; CSP Admin. Kwara State Command, Ilorin; Assistant Commissioner of Police, Agodi Area Command, Ibadan, Oyo State Police Command, Ibadan. In September 1995, Otunba (Dr) Adebayo retired from the Nigeria Police as the Assistant Commissioner of Police in charge of Logistics and Supply, Oyo State Police Command, Eleyele, Ibadan . Besides public service, Dr. Alao-Akala was a businessman. He was the founder and chairman of TDB Global Ventures and Parrot FM radio station, both in Ogbomoso, Oyo State.” The site added.
Political life of Alao-Akala
“Otunba (Dr) Adebayo Alao-Akala started his political career as a member of New Dimension. He participated in the zero-party local government election of 1996 and later co-founded the UNP before its fusion with UNC to form UNCP. He participated in the Ogbomoso Federal Constituency (One) primary election of the UNCP in 1997. He contested and won the chairmanship seat of the Ogbomoso North Local Government along with seven councilors under the platform of APP in 1998. He was elected the vice-chairman of ALGON, Oyo State Chapter between 1999 and 2002. Alao-Akala founded the Ogbomoso Unity Forum, a political association which later joined the PDP. He was the Chairman of Ogbomoso North Local Government from 1999 to 2002.” Says wikipedia
“Alao-Akala served as the Deputy Governor of Oyo State from May 2003 to January 2006. Following the impeachment of then incumbent Governor Rashidi Ladoja , Alao-Akala was sworn into office in January 2006 and served for 11 months. In December 2006, the impeachment was overturned by the Supreme Court and Rashidi Ladoja was reinstated. Alao-Akala contested and won the gubernatorial election in 2007 under the platform of the People’s Democratic Party (PDP) and became the Executive Governor of Oyo state, serving a full term till May 2011.
On 8 December 2014, Otunba (Dr) Adebayo Alao-Akala defected to the Labour Party in Oyo State from the People’s Democratic Party (PDP). On 10 December 2014, he formally declared his intention to re-contest the gubernatorial election of Oyo State on the platform of the Labour Party in the February 2015 general elections in Nigeria. During his declaration of intent, all other party gubernatorial aspirants stepped down for him, thereby making him emerge as the Labour party’s gubernatorial flag bearer in Oyo State. On 16 December 2017, he defected to the ruling All Progressives Congress (APC) in a huge ceremony in Ibadan, the capital city of Oyo State.
In October 2018, Alao-Akala defected to the Action Democratic Party (ADP) where he won the gubernatorial ticket to contest the office of Governor of Oyo state in the 2019 general elections (alongside Prof. Abideen Olaiya as Deputy Governor candidate). After 23 February 2019 Presidential and National Assemblies Elections, Akala defected back to the All Progressive Congress, thereby stepping down in the race to become Governor of Oyo state under the Platform of the Action Democratic Party . Says wikipedia.
Personal life and death of Alao-Akala
“Alao-Akala was a polyglot who spoke English, Yoruba, Hausa and Ghanaian languages (Tiv, Fanti and Dagbani) fluently.  He had seven children, and died on 12 January 2022, at the age of 71” says wikipedia.
Alao-Akala as Governor of Oyo State
“In office 12 January 2006 – 12 December 2006
Preceded by Rasheed Ladoja
Succeeded by Rasheed Ladoja
Governor of Oyo State
In office 29 May 2007 – 29 May 2011
Preceded by Rasheed Ladoja
Succeeded by Abiola Ajimobi
Born 3 June 1950
Ogbomoso, Oyo State , Nigeria
Died 12 January 2022 ” says wikipediawikipedia
The following references was posted by wikipedia in respect of this article.
“1. ^ a b c d “Otunba Christopher Adebayo Alao-Akala for Governor” . The Issues Magazine . 4 April 2019. Retrieved 22 January 2020.
2. ^ a b “Christopher Adebayo Alao-Akala Biography / Profile” . Manpower Nigeria . Retrieved 27 January 2019.
3. ^ “Alao-Akala’s radio station bars Makinde from live programme” . Punch Newspapers . 7 March 2019. Retrieved 7 February 2020.
4. ^ “magazine” . 15 January 2018.
5. ^ Okenwa, Soc (25 December 2010). “Gov. Adebayo Alao-Akala And The Adedibu ‘Curse’!” .
Sahara Reporters . Retrieved 27 January 2019.
6. ^ Alex, Remi. “Gov. Ajimobi Reacts to Alao-Akala’s Defection to APC” . Nigerian Bulletin . Retrieved 25 January 2019.
7. ^ “Oyo guber poll: Alao-Akala rejoins APC after meeting Tinubu” . March 2019.
8. ^ Sonaike, Wunmi (3 November 2017).
“Biography: Christopher Adebayo Alao-Akala” .
Sonaike Blog . Retrieved 25 January 2019.
9. ^ “Archived copy” . Archived from the original on 8 August 2014. Retrieved 4 August 2014.
10. ^ “Otunba Alao-Akala, former Oyo Governor, is dead” . Daily Trust . 12 January 2022. Retrieved
13 January 2022.
11. ^ “Otunba Alao-Akala, Former Oyo Governor, Is Dead” . Daily Trust. 12 January 2022. Retrieved
12 January 2022.
12. ^ “Obituary: Alao-Akala, ex-Gov of Oyo dies at 71” . Sundiata Post. 12 January 2022. Retrieved
12 January 2022.
https://www.today.ng/news/politics/oyo-elections-adebayo-alao-akala-steps-endorses-bayo-adelabu-199501/amp&ved=2ahUKEwjX9dzzgp_iAhVTtXEKHUSGCQMQFjABegQIBRAB&usg=AOvVaw0vlnidUU45g7biUggQk81Y&cf=1 [ permanent dead link]
https://insideoyo.com/video-if-akala-stepped-down-for-me-i-will-take-care-of-him-and-his-family-adeduntan/&ved=2ahUKEwiSnIORhJ_iAhWLSBUIHdqKArcQFjAJegQIAhAB&usg=AOvVaw0i_Oj_XPXmXTeU3tfvRKIV [ permanent dead link]
https://searchnews.in/ [ dead link]
http://allafrica.com/stories/200612111060.html Christopher Adebayo Alao-Akala