Left home at about 15:30. Cycled 0.3 miles from there to Maiden Lane and proceeded down Maiden Lane (ends around 0.4 miles from his home).
Saw Wallace 0.3 to 0.4 miles after leaving home, so probably saw him at around 15:31 to 15:32 if the time he left his house is accurate.
(Refuted):
GED, that page is weak. Your co author Mark R wrote a book with the right conclusion (Wallace did it),…