Reporters doorstepping politicians at Bratislava Parliamentary Summit, an informal meeting of Speakers of EU Parliaments

Doorstepping, or door-stepping, is an attempt to obtain an interview, or piece to camera, from a contributor without prior arrangement or agreement, typically by confronting them in a public space, such as outside their home, workplace, or courthouse.^[1]

References

Look up doorstepping in Wiktionary, the free dictionary.