According to police, phone records show that the former banker owed one of the 4 suspects in her gruesome murder some money.
The text message warned her of dire consequences if she failed to pay the debt she allegedly owed the sender.
Police believe she had used one of her friend’s logbook to secure a loan from a shylock, but which she struggled to pay back. The loan shark had also threatened to repossess the vehicle using the logbook.
Police alleged that Caroline was also in contact with her ex-boyfriend who is among the suspects.
Forensic analysis conducted on her mobile phone and that of some of the suspects put the two at the same location on the day she disappeared.
Police are seeking to obtain CCTV footage from Stima Sacco in Ngara where she was last seen with the suspects.
Further investigations established that prior to the kidnapping at Ngara, the businesswoman had withdrawn Ksh 350,000 from her bank account.
“Once at Ngara, Wanjiku had been forced into a waiting black car, KCN 300D, make Toyota Crown, in which one of the suspects was waiting, before being handcuffed and sandwiched by the other named suspects,” the DCI said.
Acting on forensic intelligence, the investigating team escorted two of the suspects to Paranai area in Kajiado.
Caroline’s Toyota Axio was dumped in Kawangware area, near Gatina Primary School a day after she went missing.
One of the suspect’s car, a Mercedes Benz, was also recovered from his home.