The hubby of Harshita Brella was arrested by constabulary successful September aft she made a study of home abuse, a constabulary watchdog has confirmed.
An planetary manhunt has been launched for Pankaj Lamba aft Ms Brella's assemblage was found successful the footwear of a car successful Ilford, eastbound London, connected 14 November.
Police judge Ms Brella, 24, was fatally strangled successful Corby, Northamptonshire, connected 10 November and person named Mr Lamba, 23, arsenic the premier fishy successful the investigation.
The Independent Office for Police Conduct (IOPC) said it was investigating Northamptonshire Police aft Ms Brella made a study of home maltreatment successful August.
Mr Lamba was arrested connected 3 September and released with bail conditions and a home unit extortion notice, the IOPC added.
IOPC determination manager Derrick Campbell said its probe followed a self-referral from the constabulary force.
"We volition beryllium examining the constabulary effect to Ms Brella's study of home maltreatment made astatine the extremity of August this year," helium said.
"We volition look into further interaction Northamptonshire Police had with Ms Brella concerning the case."
Mr Campbell said the probe would see the actions and decisions taken by Northamptonshire Police successful narration to its dealings with Ms Brella.
He added: "We volition beryllium contacting Ms Brella's household to explicate our relation and explicit our sincere condolences."
Detectives investigating the sidesplitting released a CCTV representation of Ms Brella and Mr Lamba connected Friday.
A photograph showed the brace walking unneurotic adjacent the Corby's boating water connected Sunday, 10 November.
Police appealed for anyone who was successful the Cottingham Road country that evening to interaction them.