It's "a miracle that there were no major injuries", said MP Faishal Ibrahim.
The 52-year-old man is assisting with police investigations into a case of intentional harassment.
He fell when his single anchorage rope failed, MOM said.
The truck driver said he didn't stop as he was confident he could cross in time.
The confiscated drugs, with an estimated street value of over S$626,700, could supply 2,840 drug abusers for a week.
He said both men challenged the old way of doing things that no longer made sense.
The registrar had questions about whether the documents he requested were related to the case he brought.
The reason why the man inserted seven nuts into his fingers remains under investigation.
There was also a sleeping child in the backseat.
Some sceptics believe the job was tailormade for someone with connections.