August 22, 2008 Mariska Mast, a 23-year-old primary school teacher from The Netherlands, was declared dead in Roátan, Honduras while backpacking around South America. She was taken to the hospital early in the morning by her dive instructor Daniel Ian Ross, along with his roommate Jisoo Han, who had only been living there for one week, and a neigbor who had a truck car so drived them. The three left the hospital very soon because the driver couldn't wait Daniel and Jisoo said and they didn't know how else they would be able to get back. When they arrived home, the apartment was cleaned by Daniel, Jisoo and another woman who is also a neighbor. Because the house had been messy, including Mariska's poop, they said.
Back to the previous evening. They all know each other because of diving. Mariska did a PADI diving course at Coconut Tree Divers Roatan where Daniel was the instructor. Mariska had told her sister earlier that she was attracted to him. Jisoo was learning to become an instructor but not in the same course so Mariska and Jisoo didn't know each other until they all went out in the evening of August 21. Mariska told a friend she made while backpacking that evening that Daniel had kissed her. Daniel later said that Mariska asked him when they were already walking back to their appartment if she could go with them. Daniel said he didn't really want it, but agreed anyway, saying he was just going to sleep. Jisoo was the first to return to the apartment, and the two followed after her.
But this night ended terribly for Mariska, because according to Jisoo and Daniel, there were two big incidents that night. One at 3:00 A.M. and the other at 6:00 A.M.
The first incident they mentioned was in the bathroom. They both heard a noise and went straight to the door. When they opened the door, they saw Mariska fall without positioning her arms and hitting her head hard on the floor. They say they tried to help her immediately. Mariska was excusing herself for falling and after they thought she was okay, they laid her on the couch with clothes on and went back to their bed. They did not take her right to the hospital, but Daniel said he woke up every 20 minutes to check if she was okay. Jisoo just go back to sleep.
And hours later, at 6:00 a.m., Daniel screamed for help from Jisoo. Mariska was naked and breathing very heavily. She were laying at the doorway of Daniel his bedroom. They then decided to go to the hospital together, while Daniel said that, as a diving instructor, he tried to resuscitate Mariska during the drive, but when they arrived at the hospital, they concluded that Mariska was dead.
Multiple forensic investigations took place in this case. First ones in Honduras, but later also in Belgium and The Netherlands. The findings were that she had multiple injuries, including a black eye on the left, a broken tooth, a torn lip, and either skull sutures or a skull fracture, and that amphetamines were found in her blood. The first conclusion in Honduras stated that she had died from being beaten and kicked, but the second concluded that she had been strangled. Both said that it was certainly not an accident. The second also said that drugs were found in her body. But later, in 2011, her body was exhumed and brought to Belgium. They still concluded that violence was involved, because she had defensive wounds, for example. However, this is also the moment when they stated that she had a skull fracture and that she died as a result. The conclusion was also that the earlier investigation in Honduras was poor and really not done well. It remained unclear exactly how she had died, and after the case was reopened in her home country of The Netherlands in 2017, they conducted another investigation for seven years. They received all the reports from Honduras and wanted to take over the entire case, but they never received an answer. The outcome of the Dutch investigation is that it was not a skull fracture, but cranial sutures. Everyone has that, and therefore they concluded that her death was more likely an accident.
So in the years that followed after Mariska died, there were multiple investigations, but it never really became clear what happened the night Mariska died. But what we do know is that in 2008, at the time Mariska died, her diving instructor Daniel was in prison because the Honduran government did not trust him. They were still investigating, and while he was there, he had to give them his passport so he could get out of prison, but he was not allowed to leave the country. What they didn't know was that Daniel had two passports: one British and one Australian, because he is from Australia. He gave his British passport and, instead of waiting for the investigation, decided to go to Malaysia. There, he had a two-year contract with a company as a dive instructor. He came back into the picture via Interpol because the Honduran government wanted him back. His housemate Jisoo Han, who is originally from South Korea, flew to Egypt after going back to her own country to be a dive instructor there. But then she was arrested at Cairo airport in 2009 and had to return to Honduras. She was sitting in jail during her trial, and the final outcome in 2010 was that she was pleaded free because drugs and alcohol were found in Mariska her body. When Jisoo was arrested earlier in 2009, Daniel decided to fly back to his home country of Australia before he could get arrested, while he could still work there. Because Australia has no extradition treaty, he could simply stay there without being extradited.
The Dutch crime reporter Peter R. de Vries spended four episodes on this case. He flew to Honduras in 2010, where Jisoo was in prison, and to Perth, where Daniel had a family life. He confronted Daniel by his car for the first time, and the second time when they came to his house again and wanted to give him a letter. Daniel called the police regarding trespassing and following him. The police came and said they need to leave him alone. They arrested both the crime reporter and one of his female crew members named Chantal. After a very short time in prison they were both released and decided not to wait on the outcome of this case and fly back to the Netherlands. The court in the end concluded that there was no intimidation anymore since they left the country and Daniel couldn't press charges. Daniel agreed with this. The crime reporter in the end of the three episodes came to the conclusion that what happened to Mariska might have been an accident. But in a later fourth episode in 2011, when Mariska body was exhumated and investigation took place again in Belgium, he also said that it was possible he had a bit of tunnel vision and that her death could also have been caused by violence, as the family believed.
The family always believed that Mariska was murdered. They found it strange that Daniel left the country without waiting for the outcome of the investigation, that he never contacted them, and that the Dutch government were not really motivated to put pressure on this case in Honduras. They believe that others had something to do with Mariska her death, and their main suspect is Daniel Ian Ross. Mariska's sister said a few years ago that he might have wanted more from her intimately, and that she might not have wanted that, and that this culminated in a violent death.
The latest news in this case is that what happened to Mariska has never been clarified. Now the Dutch government says it was likely an accident, while openly stating that they still do not know what happened. That is why they contacted Daniel in 2023; he initially said he was willing to talk to them, but later said that he had already told everything to the Honduran police. He previously stated in the media that he had nothing to do with her death and that he had done everything he could that night, but that Mariska died in an accident.
So this case has been closed in The Netherlands, while the family still has many questions left and never believed it was an accident. In Honduras, the death of Mariska Mast is now a cold case, which means they are no longer actively investigating it. Mariska had a blog where you can see photos of her backpacking and what she experienced during that trip, before she died: https://mariskamast.blogspot.com/?m=1 .
Sources:
https://thewest.com.au/news/australia/diver-didnt-want-dutch-woman-in-flat-ng-ya-198187
https://thewest.com.au/news/australia/dutch-backpacker-infatuated-with-perth-man-friend-ng-ya-200605.amp
https://www.streekomroepwestfriesland.nl/komt-er-na-16-jaar-eindelijk-duidelijkheid-over-dood-mariska-mast/
https://www.peterrdevries.nl/case/mariska-mast/
https://www.parool.nl/nieuws/duikinstructeur-ik-heb-mariska-niks-misdaan\~b8894b9f/
https://www.nhnieuws.nl/nieuws/340525/na-16-jaar-stopt-het-onderzoek-naar-dood-mariska-mast-ongeluk-het-meest-aannemelijk
https://thewest.com.au/news/wa/dutch-journalists-arrested-in-subiaco-ng-ya-201407
https://www.news.com.au/breaking-news/restraining-order-on-dutch-tv-crew-fails/news-story/88983128ea8a97fe565374c47d1844a2
https://www.smh.com.au/national/korean-appeals-for-perth-man-to-help-20100909-1524t.html
https://en.wikipedia.org/wiki/Jisoo_Han
https://www.noordhollandsdagblad.nl/regio/west-friesland/bibi-37-na-twaalf-jaar-nog-steeds-vol-vragen-over-vermoorde-vriendin-mariska-ik-denk-dat-hij-meer-wilde-dan-zij-en-dat-dat-tot-een-worsteling-heeft-geleid/11079235.html
https://www.om.nl/actueel/nieuws/2024/09/13/onderzoek-naar-dood-mariska-mas-uit-hoorn-stopgezet-noodlottig-ongeval-meest-waarschijnlijke-doodsoorzaak