According to The Canadian Press, Toronto police have recovered a seventh set of remains linked to the alleged serial killer.
Only three of the bodies have been officially identified - Andrew Kinsman, 49, Soroush Mahmudi, 50, and Skandaraj Navarantnam, 40.
Idsinga said the photo was released after police exhausted all other avenues to identify the man.
"I can't really get into specifics about why we didn't realize there were seven remains there, but we had the planters several weeks ago", Idsinga said.
The arrest of McArthur, a self-employed landscaper who sometimes worked as a mall Santa, has roiled the LGBTQ community in Toronto.
A picture of an what investigators believe is an unidentified victim was also released.
Investigators also believe there could be more victims.
McArthur has also been charged with first-degree murder in the presumed deaths of 44-year-old Selim Esen, Majeed Kayhan, 58, and Dean Lisowick, either 43 or 44.
He refused to detail where the photo was taken and stressed that it was not clear whether the most recent remains found belong to the unidentified man.
McArthur has been found guilty in six charges of murder.
Idsinga said they've now found the dismembered remains of at least seven individuals this year in large planters at a home where McArthur did landscaping work and stored objects.
"I do not want to release this picture and am doing so as a last resort", said Idsinga.
Finger print and dental analysis both failed to yield any results, and it could be months before the more rigorous DNA analysis process is completed.
He has not commented on the cause of death for any of the victims. His case is due back in court March 14.
Det-Sgt Hank Idsinga is seen walking back to a Police Command Vehicle after briefing the media at a Toronto property where alleged serial killer Bruce McArthur worked, Thursday, February 8, 2018. There are also a number of other properties in the Greater Toronto Area that will get renewed attention from police as the weather warms and the ground thaws.
A source told Global News that McArthur, who police had identified as someone who may have been involved with the disappearance of Kinsman back in September 2017, was arrested after officers witnessed a man going into his Thorncliffe Park apartment on the morning of January 18.
McArthur was further charged in the death of Skandaraj Navaratnam late last month.
McArthur is charged with six counts of first-degree murder in the cases of six men.
The detective was joined at the news conference by Dr. Michael Pollanen, the chief forensic pathologist for the province, to explain the scope of the investigation.
Swansea City turned to "rock'n'roll" football to lead West Ham a merry dance and rocket up to 13th in the Premier League table. With ten games of the season remaining, West Ham are now 13th in the top-flight, three points above the relegation places.
The filmmakers, the producers, the directors, the writers, the cinematographer, the composers, the songwriters, the designers. Actress Emma Watson took to the Oscars red carpet on Sunday evening with a cause close to her heart tattooed on her arm.
Peele shared that he stopped writing the script "20 times" because he thought it would be impossible to get the film made. Accepting the best picture Oscar , del Toro said from the stage, "I was a kid enamored with movies growing up in Mexico".
Nunberg also said he got the impression from his interview with Mueller's team that they had evidence implicating Trump. Nunberg added that he plans to defy a subpoena from Mueller to appear before a grand jury in Washington this Friday.
The 20 minute short film follows Libby as she learns to communicate through sign language, with the help of a social worker. Collecting the award at the ceremony in Los Angeles, Ms Shenton, from Caverswall, delivered her speech in sign language.
The Steelers had been hopeful they would be able to reach an agreement with Bell before the March 6 franchise tag-deadline. Pittsburgh Steelers' RB Le'Veon Bell is expected to receive his second straight franchise tag from the team.
Set for a return appearance at the Oscars is Common , who will duet with Andra Day on "Stand Up For Something" from "Marshall". Warren and Faye were all smiles as they came on stage, with Beatty saying: 'It's so nice seeing you again'.
With England going 2-1 up in the series, Morgan was not prepared to complain about the process for ruling on disputed catches. The indications are that they were honest with themselves after the opening game and resolved to do better which they did.
Ortiz fell to the canvas moments later, seemingly after coming in contact with Wilder's left, but Fields ruled that he slipped. Deontay Wilder has been branded a racist and a "c**t' after he accused promoter Eddie Hearn of exploiting Anthony Joshua ".
The murder prompted a racist "revenge" gun rampage by a fascist sympathiser, who shot and wounded six Africans. The exit poll and projection shows no party or coalition will be able to claim an outright majority.
The president, a former NY property developer, claimed that he is saving taxpayer dollars on the construction of the embassy. The Palestinians, meanwhile, said Trump's decision on Jerusalem renders the United States an unreliable actor in peace talks.
Winds will increase across the area today , causing areas of blowing and drifting snow with reduced visibility and hard travel. Tuesday night , the low will be around 27 with mostly cloudy skies, according to the weather service.
Five Star performed better than anticipated and was forecast to take the most seats - around 102-122 - but miss out on a majority. Salvini said that, while not interested in a broad "minestrone" coalition, the League would be willing to talk to all parties.
Former Egyptian Foreign Minister Mohammed al-Araby described as "special and important" Prince Mohammed's visit. The investment deal underlines the strategic ties between the richest Arab state and the most populous.
Waqas, a Jaish-e-Mohammad militant, was wanted for carrying out the Sunjuwan army camp attack in which seven people were killed. The encounter of Waqas is a major milestone in the anti-terror operations being carried out by the Indian security forces.
With recent strides forward tackling diversity and representation, The Oscars may decide to make a statement of intent this year. The E! channel will begin broadcasting from the Oscars red carpet at noon today while ABC will begin its coverage at 5:30 p.m.
According to the camera tests done by DxOMark , the Samsung flagship received an industry best of 104 in photo tests. The Korean company has left no stone unturned to ensure that its new phones have the world's best smartphone camera .
Business confidence remained robust, with the degree of optimism the second highest since July 2011 in the period. An index reading of above 50 indicates an overall increase in economic activity and below 50 an overall decrease.
I can tell you that David Warner is very personal and can assure you that whatever was said, Warner has said worse. Starc had match figures of nine for 109 and was particularly effective against South Africa's tailenders.
The notice also advised USA citizens in Turkey should avoid large crowds, keep a low profile and otherwise be cautious. Meanwhile, Deputy Prime Minister Bekir Bozdağ said that Turkey is the country most effectively fighting against Daesh.
The film about the doping system in Russian Federation has won an Oscar at Sunday's 90th Academy Awards (Oscars) in Los Angeles. The evidence presented by Rodchenkov and Fogel was instrumental in Russia's ban from the 2018 Winter Olympic Games.
Mr Trump joked about his son-in-law, Jared Kushner, who has reportedly had his security clearance downgraded. Melania wasn't the only member of President Trump's family to be the butt of the joke on Saturday.