A 53-year-old man and his Filipino girlfriend, 39, have been detained to assist in the investigations into the kidnapping of Baby Freddie in Bangsar on Friday.
City CID chief Datuk Ku Chin Wah said the suspects were picked up at a flat in Taman Desa at about 11am on Sunday.
The female suspect had worked for the victim's family for around a year before she stopped six months ago.
"We have reason to believe that they can help in the investigations," Ku told reporters at the Jalan Pantai police station on Sunday.
SAC Ku said that the woman was now working for a new employer in Damansara and has been living in Malaysia since 2004.
He added that both suspects would be remanded for 14 days from Monday to assist in the investigations.
SAC Ku said the male suspect did not fit the photofit based on witnesses descriptions and police were still looking other suspects that were involved in the case.
"We have yet to identify who was there during the incident," SAC Ku said.
Baby Freddie was snatched away by a man who arrived at Joseph's house at about 6.30pm on Friday.
The man and a woman came in a Toyota Camry. He got out of the car rushed into the house when Joseph was feeding her 20-month-old Freddie. He grabbed the child, ran out and handed him to the woman before they drove off.
Baby Freddie was found in Taman Tasik Titiwangsa at noon on Saturday. Police have classified the case as kidnapping.