Rilwan's family said the state was failing to deliver justice.
Several opposition figures have called for Adeeb to be allowed to seek medical treatment overseas.
A very capable team worked on the investigation, the ex-police chief said.
Last year's anniversary march was met with pepper spray as police snatched placards and arrested nine people.
Police knew Rilwan was followed by a suspect who was allowed to leave the country.
Yameen told his home minister not to be "overwhelmed" by Rilwan's abduction, according to chat logs from a cabinet Viber group seen by the Maldives Independent.
The president denied thwarting the investigation into the missing journalist, "who is now dead."
The government says it is not responsible for his disappearance.
It is almost four years since the abduction of Maldives Independent journalist Ahmed Rilwan.
DNA lifted from hairs found in the trunk of a car owned by one of the defendants matched Rilwan’s mother.
Prosecutors allege that journalist Ahmed Rilwan was abducted and that a red car owned by one of the suspects was used in the act.
Two suspects are charged in connection with the abduction three years ago. Both were present in court Sunday.
Murder is not included on the police website’s crime statistics page, which has data going back to 2008.
The Prosecutor General's office pressed charges against Aalif Rauf, Mohamed Nooradeen, and Mohamed Suaid on August 15, a spokesman said. They were charged under the 1990 anti-terrorism...
The nephew of missing journalist Ahmed Rilwan and sister of murdered blogger Yameen Rasheed were sacked on Monday for joining a protest march to mark three...
The non-action of the authorities has created and nourished a culture of impunity for criminals that have made Malé one of the most dangerous cities in...
Inthif Rauf was arrested on October 30 after the police discovered a gun during a raid of his home in Malé. The criminal court, however, ruled...