Investigator walk at the site of the Polish presidential plane crash in Smolensk, western Russia, Monday, April 12, 2010. Polish President Lech Kaczynski, his wife and some of the country's most prominent military and civilian leaders died Saturday along with dozens of others when the presidential plane crashed as it came in for a landing in thick fog near Smolensk in western Russia. (AP Photo/Sergey Ponomarev)
April 12, 2010 5:36:31 AM PDT
By MONIKA SCISLOWSKA, Associated Press Writer
WARSAW, Poland - April 12, 2010 --
Russian investigators said there were no technical problems with the Soviet-made plane that crashed and killed the Polish president and 95 others over the weekend, suggesting pilot error may have been to blame.