Okay, I understand. Here's an article addressing the implied question behind the prompt "How did Mark David Chapman get so rich? What were his sources of income?", focusing on dispelling the notion that he is rich and examining the realities of his financial situation:
Mark David Chapman, the man who assassinated John Lennon in 1980, is far from being rich. The premise of the question, suggesting wealth, is fundamentally incorrect. Instead of exploring how he accumulated wealth, it's crucial to understand the financial consequences of his actions and the realities of life in prison.
Chapman's act had devastating repercussions, not only for Lennon's family and millions of fans worldwide, but also for his own financial future. Any potential for earning a legitimate income vanished the moment he committed the crime. He forfeited any claim to a normal life, including the ability to pursue education, hold a job, or build a career.

Following his conviction and sentencing to 20 years to life in prison, Chapman became entirely dependent on the state for his basic needs. The New York State Department of Corrections and Community Supervision is responsible for providing him with food, shelter, clothing, and medical care. These expenses are covered by taxpayer money, representing a significant financial burden on society as a direct consequence of his actions.
While incarcerated, inmates typically have extremely limited opportunities for earning money. Prison jobs, when available, are often menial and pay very little, barely enough to cover basic personal needs within the prison commissary. Chapman, given the notoriety of his crime and the security concerns it raises, likely has restricted access to even these limited earning opportunities. It’s highly improbable that he holds any position that provides a substantial income. Any earnings he might receive from such a job would be negligible compared to the ongoing cost of his incarceration.
Beyond the lack of earning potential, Chapman's actions have likely subjected him to civil lawsuits from the Lennon estate. While the specific details of any legal settlements are not publicly available, it is reasonable to assume that the Lennon estate pursued legal action to seek compensation for their loss. Any existing or future assets Chapman might have possessed would likely have been subject to seizure to satisfy any judgments against him. He would almost certainly be barred from profiting from his crime in any way, including selling his story or artwork. "Son of Sam" laws, designed to prevent criminals from profiting from their crimes, exist in many jurisdictions and would likely be invoked in Chapman's case. These laws ensure that any funds he might attempt to generate through book deals, interviews, or other ventures related to his crime would be seized and used to compensate victims or their families.
One area of speculation often arises regarding possible financial support from external sources. It is conceivable that family members or supporters might provide limited financial assistance, perhaps through small deposits into his commissary account. However, such support would be minimal and subject to scrutiny by prison authorities. There's no evidence to suggest that Chapman receives significant financial assistance from any source. Moreover, any large or unusual transfers of funds would likely be investigated, given the high-profile nature of his case.
The reality is that Mark David Chapman's financial situation is characterized by dependency, not wealth. He has forfeited his right to economic self-sufficiency, and his existence is almost entirely funded by taxpayer money. The notion that he is rich or has significant sources of income is a misconception rooted in the notoriety of his crime, rather than the reality of his circumstances. Instead of focusing on how he allegedly became rich, it's more accurate to consider the immense financial burden he has placed on society and the complete absence of legitimate income in his life. His case serves as a stark reminder of the profound and lasting consequences of criminal actions, not only for the victims and their families but also for the perpetrators themselves. The idea of him being financially successful is a distortion of the truth, and it's crucial to understand the actual financial implications of his crime, which are overwhelmingly negative and borne by the public.