Mark spent most of his life working as an esteemed botanist and senior curator in the Natural History Museum in London but his career took a surprising turn which now sees him turning his talent to helping the police crack cases. Mark told Ryan about the work of a forensic botanist.
'Murder Most Florid: Inside the Mind of a Forensic Botanist' by Dr Mark A. Spencer is available now.
If you could write a letter that you have never sent, who would you send it to and what would you say? We want you to write it now and post it to the Ryan Tubridy Show, Donnybrook, Dublin 4. This morning Ryan read some more letters from listeners and spoke to Bernie about the letter she wrote to her daughter Caoimhe.
Donegal, Sligo, Ennistymon and Inis Mór were the destinations for Ryan's June tour of the Wild Atlantic Way. Listen in to hear him meet local people and businessmen, stars who dropped in for a visit, and much more besides!