Forensics expert, Professor David Ranson, has shed light on the toxic chemical which put two Melbourne girls in a critical condition while holidaying in Laos.

<p>Forensics expert, Professor David Ranson, has shed light on the toxic chemical which put two Melbourne girls in a critical condition while holidaying in Laos.</p>

3AW Drive with Jacqui Felgate, keeping you informed and entertained on your way home 3-6pm, weekdays.

<p>3AW Drive with Jacqui Felgate, keeping you informed and entertained on your way home 3-6pm, weekdays.</p>

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