Fundraising for Private Investigation

Hi, my name is Gloria. I'm 81 this year. My son was found dead on October 26th,2018 at Bunwell Park in Norfolk under a zip wire. As soon as the police got to the scene they ruled it a suicide within minutes without any further investigation. The heartbreak this has caused my family is unbearable. We did not receive any support from the police at all. All I got was a phone call to tell me my son Steven was found dead. I have so many questions that have not been answered. At the scene, there was a rope and belt nearby his body. Only 1 empty Corona bottle and his glasses were on the stand of the zip wire. It was reasonably cold outside and he had no coat, no undershirt (an item he always wore), nor socks. No letter, no phones, no cigarettes, and no lighter. Over the past few years, my family and I have been trying to do emails, letters, phone calls, boot sales, and even talked with the police numerous times. In the last year, we have discovered many errors and discrepancies within the police, coroners court, and the Norfolk and Norwich hospital. My son Steven John Rouse was 53 years old. He was a bricklayer and lecturer. He had many friends and already made plans on Halloween night with family members. He was living with his partner and her child for 8 years. They decided to call it quits on the relationship a few weeks before his death. He was in the process of getting all his things together to move out. He was last seen at 9:20 pm at Mcdonald's on October 25th,2018. He had just returned from a few days away celebrating his friend's birthday in the Lake District. It was a long drive and his partner's daughter was with him. His workmate and I messaged him via text. Everything else that happened that evening I do not know. The ex-partner has given several different versions of that night. For some reason, none sound truthful. My husband and I went to collect Steve's belongings to discover his computer tower was gone. We still haven't found his phones. On his desk at the back were lots of printouts of text messages between him and his ex-partner. He felt like he should hide these. I'm still so very overwhelmed and heartbroken over my son's death. The police did take a statement at the time from his ex-partner but she later changed it. They never brought her in for an interview or her daughter. My husband and I would love closure as to what happened to our son. We were very isolated trying to come to terms with our son's unexpected death and knowing our son would never leave us with no answers and in so much pain. We believe as a family Steve did not commit suicide and it was staged. My last resort is a Private Investigation to look further into the details and evidence at the scene. Any help will be much appreciated. Thank you in advance.