Learning how the NTSB works

Tuesday - 6/23/2009, 4:07pm EDT

Ted Lopatkiewicz

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The National Transportation Safety Board is currently investigating what caused the Metro crash yesterday.

The NTSB is the independent agency that handles all large transportation accidents.

Ted Lopatkiewicz is the director of public affairs for NTSB and tells us how his agency conducts investigations.

(Read the full story.)

(See an NTSB plane accident recreation.)